Home / 130,366.20-179,915.19-73,002.61

Finding the Fourth Proportional to 130,366.20, 179,915.19 and 73,002.61

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Solution

The fourth proportional to 130,366.20, 179,915.19 and 73,002.61 is: 100,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,366.20 : 179,915.19 = 73,002.61 : x
  2. Step 2: Convert to fraction form
    130,366.20/179,915.19 = 73,002.61/x
  3. Step 3: Cross multiply
    130,366.20x = 179,915.19 × 73,002.61
  4. Step 4: Simplify right side
    130,366.20x = 13,134,277,549.07
  5. Step 5: Solve for x
    x = 13,134,277,549.07/130,366.20
  6. Step 6: Final answer
    x = 100,749.10

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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.