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Finding the Fourth Proportional to 156,235.26, 215,617.94 and 88,264.71

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Solution

The fourth proportional to 156,235.26, 215,617.94 and 88,264.71 is: 121,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,235.26 : 215,617.94 = 88,264.71 : x
  2. Step 2: Convert to fraction form
    156,235.26/215,617.94 = 88,264.71/x
  3. Step 3: Cross multiply
    156,235.26x = 215,617.94 × 88,264.71
  4. Step 4: Simplify right side
    156,235.26x = 19,031,454,407.23
  5. Step 5: Solve for x
    x = 19,031,454,407.23/156,235.26
  6. Step 6: Final answer
    x = 121,812.80

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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.