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Finding the Fourth Proportional to 151,695.90, 227,543.85 and 92,646.90

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Solution

The fourth proportional to 151,695.90, 227,543.85 and 92,646.90 is: 138,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,695.90 : 227,543.85 = 92,646.90 : x
  2. Step 2: Convert to fraction form
    151,695.90/227,543.85 = 92,646.90/x
  3. Step 3: Cross multiply
    151,695.90x = 227,543.85 × 92,646.90
  4. Step 4: Simplify right side
    151,695.90x = 21,081,232,316.57
  5. Step 5: Solve for x
    x = 21,081,232,316.57/151,695.90
  6. Step 6: Final answer
    x = 138,970.35

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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.