Home / 236,869.61-326,884.34-129,444.17

Finding the Fourth Proportional to 236,869.61, 326,884.34 and 129,444.17

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Solution

The fourth proportional to 236,869.61, 326,884.34 and 129,444.17 is: 178,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,869.61 : 326,884.34 = 129,444.17 : x
  2. Step 2: Convert to fraction form
    236,869.61/326,884.34 = 129,444.17/x
  3. Step 3: Cross multiply
    236,869.61x = 326,884.34 × 129,444.17
  4. Step 4: Simplify right side
    236,869.61x = 42,313,272,077.30
  5. Step 5: Solve for x
    x = 42,313,272,077.30/236,869.61
  6. Step 6: Final answer
    x = 178,635.29

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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.