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Finding the Fourth Proportional to 155,766, 214,957.08 and 88,710.96

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Solution

The fourth proportional to 155,766, 214,957.08 and 88,710.96 is: 122,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,766 : 214,957.08 = 88,710.96 : x
  2. Step 2: Convert to fraction form
    155,766/214,957.08 = 88,710.96/x
  3. Step 3: Cross multiply
    155,766x = 214,957.08 × 88,710.96
  4. Step 4: Simplify right side
    155,766x = 19,069,048,925.60
  5. Step 5: Solve for x
    x = 19,069,048,925.60/155,766
  6. Step 6: Final answer
    x = 122,421.12

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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.