Home / 125,330.60-172,955.05-67,971.18

Finding the Fourth Proportional to 125,330.60, 172,955.05 and 67,971.18

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Solution

The fourth proportional to 125,330.60, 172,955.05 and 67,971.18 is: 93,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,330.60 : 172,955.05 = 67,971.18 : x
  2. Step 2: Convert to fraction form
    125,330.60/172,955.05 = 67,971.18/x
  3. Step 3: Cross multiply
    125,330.60x = 172,955.05 × 67,971.18
  4. Step 4: Simplify right side
    125,330.60x = 11,755,959,496.53
  5. Step 5: Solve for x
    x = 11,755,959,496.53/125,330.60
  6. Step 6: Final answer
    x = 93,799.60

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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.