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Finding the Fourth Proportional to 155,155.13, 214,114.28 and 88,087.13

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Solution

The fourth proportional to 155,155.13, 214,114.28 and 88,087.13 is: 121,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,155.13 : 214,114.28 = 88,087.13 : x
  2. Step 2: Convert to fraction form
    155,155.13/214,114.28 = 88,087.13/x
  3. Step 3: Cross multiply
    155,155.13x = 214,114.28 × 88,087.13
  4. Step 4: Simplify right side
    155,155.13x = 18,860,712,417.22
  5. Step 5: Solve for x
    x = 18,860,712,417.22/155,155.13
  6. Step 6: Final answer
    x = 121,560.35

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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.