Home / 99,006.40-148,509.60-28,892.80

Finding the Fourth Proportional to 99,006.40, 148,509.60 and 28,892.80

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Solution

The fourth proportional to 99,006.40, 148,509.60 and 28,892.80 is: 43,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,006.40 : 148,509.60 = 28,892.80 : x
  2. Step 2: Convert to fraction form
    99,006.40/148,509.60 = 28,892.80/x
  3. Step 3: Cross multiply
    99,006.40x = 148,509.60 × 28,892.80
  4. Step 4: Simplify right side
    99,006.40x = 4,290,858,170.88
  5. Step 5: Solve for x
    x = 4,290,858,170.88/99,006.40
  6. Step 6: Final answer
    x = 43,339.20

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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.