Home / 163,043.47-224,996.50-91,421.92

Finding the Fourth Proportional to 163,043.47, 224,996.50 and 91,421.92

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Solution

The fourth proportional to 163,043.47, 224,996.50 and 91,421.92 is: 126,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,043.47 : 224,996.50 = 91,421.92 : x
  2. Step 2: Convert to fraction form
    163,043.47/224,996.50 = 91,421.92/x
  3. Step 3: Cross multiply
    163,043.47x = 224,996.50 × 91,421.92
  4. Step 4: Simplify right side
    163,043.47x = 20,569,612,023.28
  5. Step 5: Solve for x
    x = 20,569,612,023.28/163,043.47
  6. Step 6: Final answer
    x = 126,160.29

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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.