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Finding the Fourth Proportional to 155,181.92, 214,151.28 and 88,113.92

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Solution

The fourth proportional to 155,181.92, 214,151.28 and 88,113.92 is: 121,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,181.92 : 214,151.28 = 88,113.92 : x
  2. Step 2: Convert to fraction form
    155,181.92/214,151.28 = 88,113.92/x
  3. Step 3: Cross multiply
    155,181.92x = 214,151.28 × 88,113.92
  4. Step 4: Simplify right side
    155,181.92x = 18,869,708,753.82
  5. Step 5: Solve for x
    x = 18,869,708,753.82/155,181.92
  6. Step 6: Final answer
    x = 121,597.34

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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.