Home / 99,114.80-148,672.26-28,994.18

Finding the Fourth Proportional to 99,114.80, 148,672.26 and 28,994.18

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Solution

The fourth proportional to 99,114.80, 148,672.26 and 28,994.18 is: 43,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,114.80 : 148,672.26 = 28,994.18 : x
  2. Step 2: Convert to fraction form
    99,114.80/148,672.26 = 28,994.18/x
  3. Step 3: Cross multiply
    99,114.80x = 148,672.26 × 28,994.18
  4. Step 4: Simplify right side
    99,114.80x = 4,310,630,267.45
  5. Step 5: Solve for x
    x = 4,310,630,267.45/99,114.80
  6. Step 6: Final answer
    x = 43,491.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.