Home / 102,528.56-141,475.68-57,199.95

Finding the Fourth Proportional to 102,528.56, 141,475.68 and 57,199.95

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Solution

The fourth proportional to 102,528.56, 141,475.68 and 57,199.95 is: 78,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.56 : 141,475.68 = 57,199.95 : x
  2. Step 2: Convert to fraction form
    102,528.56/141,475.68 = 57,199.95/x
  3. Step 3: Cross multiply
    102,528.56x = 141,475.68 × 57,199.95
  4. Step 4: Simplify right side
    102,528.56x = 8,092,401,114.84
  5. Step 5: Solve for x
    x = 8,092,401,114.84/102,528.56
  6. Step 6: Final answer
    x = 78,928.27

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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.