Home / 129,475.28-194,235.12-59,360.64

Finding the Fourth Proportional to 129,475.28, 194,235.12 and 59,360.64

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Solution

The fourth proportional to 129,475.28, 194,235.12 and 59,360.64 is: 89,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,475.28 : 194,235.12 = 59,360.64 : x
  2. Step 2: Convert to fraction form
    129,475.28/194,235.12 = 59,360.64/x
  3. Step 3: Cross multiply
    129,475.28x = 194,235.12 × 59,360.64
  4. Step 4: Simplify right side
    129,475.28x = 11,529,921,033.68
  5. Step 5: Solve for x
    x = 11,529,921,033.68/129,475.28
  6. Step 6: Final answer
    x = 89,051.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.