Home / 99,102.04-136,760.10-53,778.88

Finding the Fourth Proportional to 99,102.04, 136,760.10 and 53,778.88

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Solution

The fourth proportional to 99,102.04, 136,760.10 and 53,778.88 is: 74,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.04 : 136,760.10 = 53,778.88 : x
  2. Step 2: Convert to fraction form
    99,102.04/136,760.10 = 53,778.88/x
  3. Step 3: Cross multiply
    99,102.04x = 136,760.10 × 53,778.88
  4. Step 4: Simplify right side
    99,102.04x = 7,354,805,006.69
  5. Step 5: Solve for x
    x = 7,354,805,006.69/99,102.04
  6. Step 6: Final answer
    x = 74,214.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.