Home / 103,473.55-142,845.17-67,718.18

Finding the Fourth Proportional to 103,473.55, 142,845.17 and 67,718.18

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Solution

The fourth proportional to 103,473.55, 142,845.17 and 67,718.18 is: 93,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,473.55 : 142,845.17 = 67,718.18 : x
  2. Step 2: Convert to fraction form
    103,473.55/142,845.17 = 67,718.18/x
  3. Step 3: Cross multiply
    103,473.55x = 142,845.17 × 67,718.18
  4. Step 4: Simplify right side
    103,473.55x = 9,673,214,934.19
  5. Step 5: Solve for x
    x = 9,673,214,934.19/103,473.55
  6. Step 6: Final answer
    x = 93,484.90

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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.