Home / 130,842.57-180,381.35-88,333.77

Finding the Fourth Proportional to 130,842.57, 180,381.35 and 88,333.77

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Solution

The fourth proportional to 130,842.57, 180,381.35 and 88,333.77 is: 121,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,842.57 : 180,381.35 = 88,333.77 : x
  2. Step 2: Convert to fraction form
    130,842.57/180,381.35 = 88,333.77/x
  3. Step 3: Cross multiply
    130,842.57x = 180,381.35 × 88,333.77
  4. Step 4: Simplify right side
    130,842.57x = 15,933,764,241.52
  5. Step 5: Solve for x
    x = 15,933,764,241.52/130,842.57
  6. Step 6: Final answer
    x = 121,778.14

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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.