Home / 108,864.26-163,306.65-42,309.50

Finding the Fourth Proportional to 108,864.26, 163,306.65 and 42,309.50

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Solution

The fourth proportional to 108,864.26, 163,306.65 and 42,309.50 is: 63,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,864.26 : 163,306.65 = 42,309.50 : x
  2. Step 2: Convert to fraction form
    108,864.26/163,306.65 = 42,309.50/x
  3. Step 3: Cross multiply
    108,864.26x = 163,306.65 × 42,309.50
  4. Step 4: Simplify right side
    108,864.26x = 6,909,421,891.64
  5. Step 5: Solve for x
    x = 6,909,421,891.64/108,864.26
  6. Step 6: Final answer
    x = 63,468.23

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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.