Home / 121,384.16-167,522.40-67,677.92

Finding the Fourth Proportional to 121,384.16, 167,522.40 and 67,677.92

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Solution

The fourth proportional to 121,384.16, 167,522.40 and 67,677.92 is: 93,402.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,384.16 : 167,522.40 = 67,677.92 : x
  2. Step 2: Convert to fraction form
    121,384.16/167,522.40 = 67,677.92/x
  3. Step 3: Cross multiply
    121,384.16x = 167,522.40 × 67,677.92
  4. Step 4: Simplify right side
    121,384.16x = 11,337,567,585.41
  5. Step 5: Solve for x
    x = 11,337,567,585.41/121,384.16
  6. Step 6: Final answer
    x = 93,402.36

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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.