Home / 108,892.49-163,349.06-42,337.76

Finding the Fourth Proportional to 108,892.49, 163,349.06 and 42,337.76

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Solution

The fourth proportional to 108,892.49, 163,349.06 and 42,337.76 is: 63,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.49 : 163,349.06 = 42,337.76 : x
  2. Step 2: Convert to fraction form
    108,892.49/163,349.06 = 42,337.76/x
  3. Step 3: Cross multiply
    108,892.49x = 163,349.06 × 42,337.76
  4. Step 4: Simplify right side
    108,892.49x = 6,915,832,270.07
  5. Step 5: Solve for x
    x = 6,915,832,270.07/108,892.49
  6. Step 6: Final answer
    x = 63,510.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.