Home / 99,488.40-149,138.80-49,521.26

Finding the Fourth Proportional to 99,488.40, 149,138.80 and 49,521.26

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Solution

The fourth proportional to 99,488.40, 149,138.80 and 49,521.26 is: 74,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,488.40 : 149,138.80 = 49,521.26 : x
  2. Step 2: Convert to fraction form
    99,488.40/149,138.80 = 49,521.26/x
  3. Step 3: Cross multiply
    99,488.40x = 149,138.80 × 49,521.26
  4. Step 4: Simplify right side
    99,488.40x = 7,385,541,290.89
  5. Step 5: Solve for x
    x = 7,385,541,290.89/99,488.40
  6. Step 6: Final answer
    x = 74,235.20

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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.