Home / 108,839.64-163,228.52-42,265.56

Finding the Fourth Proportional to 108,839.64, 163,228.52 and 42,265.56

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Solution

The fourth proportional to 108,839.64, 163,228.52 and 42,265.56 is: 63,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,839.64 : 163,228.52 = 42,265.56 : x
  2. Step 2: Convert to fraction form
    108,839.64/163,228.52 = 42,265.56/x
  3. Step 3: Cross multiply
    108,839.64x = 163,228.52 × 42,265.56
  4. Step 4: Simplify right side
    108,839.64x = 6,898,944,805.77
  5. Step 5: Solve for x
    x = 6,898,944,805.77/108,839.64
  6. Step 6: Final answer
    x = 63,386.33

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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.