Home / 102,931.46-142,080.45-60,502.58

Finding the Fourth Proportional to 102,931.46, 142,080.45 and 60,502.58

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Solution

The fourth proportional to 102,931.46, 142,080.45 and 60,502.58 is: 83,514.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,931.46 : 142,080.45 = 60,502.58 : x
  2. Step 2: Convert to fraction form
    102,931.46/142,080.45 = 60,502.58/x
  3. Step 3: Cross multiply
    102,931.46x = 142,080.45 × 60,502.58
  4. Step 4: Simplify right side
    102,931.46x = 8,596,233,792.56
  5. Step 5: Solve for x
    x = 8,596,233,792.56/102,931.46
  6. Step 6: Final answer
    x = 83,514.15

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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.