Home / 124,308.29-171,545.45-67,719.66

Finding the Fourth Proportional to 124,308.29, 171,545.45 and 67,719.66

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Solution

The fourth proportional to 124,308.29, 171,545.45 and 67,719.66 is: 93,453.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,308.29 : 171,545.45 = 67,719.66 : x
  2. Step 2: Convert to fraction form
    124,308.29/171,545.45 = 67,719.66/x
  3. Step 3: Cross multiply
    124,308.29x = 171,545.45 × 67,719.66
  4. Step 4: Simplify right side
    124,308.29x = 11,616,999,531.60
  5. Step 5: Solve for x
    x = 11,616,999,531.60/124,308.29
  6. Step 6: Final answer
    x = 93,453.14

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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.