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Finding the Fourth Proportional to 159,543.10, 220,170.98 and 87,925.74

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Solution

The fourth proportional to 159,543.10, 220,170.98 and 87,925.74 is: 121,338.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,543.10 : 220,170.98 = 87,925.74 : x
  2. Step 2: Convert to fraction form
    159,543.10/220,170.98 = 87,925.74/x
  3. Step 3: Cross multiply
    159,543.10x = 220,170.98 × 87,925.74
  4. Step 4: Simplify right side
    159,543.10x = 19,358,696,343.03
  5. Step 5: Solve for x
    x = 19,358,696,343.03/159,543.10
  6. Step 6: Final answer
    x = 121,338.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.