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Finding the Fourth Proportional to 185,552.96, 278,114.28 and 85,502.96

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Solution

The fourth proportional to 185,552.96, 278,114.28 and 85,502.96 is: 128,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,552.96 : 278,114.28 = 85,502.96 : x
  2. Step 2: Convert to fraction form
    185,552.96/278,114.28 = 85,502.96/x
  3. Step 3: Cross multiply
    185,552.96x = 278,114.28 × 85,502.96
  4. Step 4: Simplify right side
    185,552.96x = 23,779,594,158.27
  5. Step 5: Solve for x
    x = 23,779,594,158.27/185,552.96
  6. Step 6: Final answer
    x = 128,155.29

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1.5x scale

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.