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Finding the Fourth Proportional to 185,265.66, 255,654.75 and 103,600.65

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Solution

The fourth proportional to 185,265.66, 255,654.75 and 103,600.65 is: 142,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,265.66 : 255,654.75 = 103,600.65 : x
  2. Step 2: Convert to fraction form
    185,265.66/255,654.75 = 103,600.65/x
  3. Step 3: Cross multiply
    185,265.66x = 255,654.75 × 103,600.65
  4. Step 4: Simplify right side
    185,265.66x = 26,485,998,275.59
  5. Step 5: Solve for x
    x = 26,485,998,275.59/185,265.66
  6. Step 6: Final answer
    x = 142,962.26

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1.5x scale

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.