Home / 102,350.77-141,242.18-57,027.78

Finding the Fourth Proportional to 102,350.77, 141,242.18 and 57,027.78

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Solution

The fourth proportional to 102,350.77, 141,242.18 and 57,027.78 is: 78,697.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.77 : 141,242.18 = 57,027.78 : x
  2. Step 2: Convert to fraction form
    102,350.77/141,242.18 = 57,027.78/x
  3. Step 3: Cross multiply
    102,350.77x = 141,242.18 × 57,027.78
  4. Step 4: Simplify right side
    102,350.77x = 8,054,727,705.47
  5. Step 5: Solve for x
    x = 8,054,727,705.47/102,350.77
  6. Step 6: Final answer
    x = 78,697.28

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Why These Related Problems?

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