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Finding the Fourth Proportional to 125,061, 172,600.66 and 71,333.72

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Solution

The fourth proportional to 125,061, 172,600.66 and 71,333.72 is: 98,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,061 : 172,600.66 = 71,333.72 : x
  2. Step 2: Convert to fraction form
    125,061/172,600.66 = 71,333.72/x
  3. Step 3: Cross multiply
    125,061x = 172,600.66 × 71,333.72
  4. Step 4: Simplify right side
    125,061x = 12,312,247,152.26
  5. Step 5: Solve for x
    x = 12,312,247,152.26/125,061
  6. Step 6: Final answer
    x = 98,449.93

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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.