Home / 237,820.20-328,188.15-130,391.16

Finding the Fourth Proportional to 237,820.20, 328,188.15 and 130,391.16

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Solution

The fourth proportional to 237,820.20, 328,188.15 and 130,391.16 is: 179,937.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,820.20 : 328,188.15 = 130,391.16 : x
  2. Step 2: Convert to fraction form
    237,820.20/328,188.15 = 130,391.16/x
  3. Step 3: Cross multiply
    237,820.20x = 328,188.15 × 130,391.16
  4. Step 4: Simplify right side
    237,820.20x = 42,792,833,576.75
  5. Step 5: Solve for x
    x = 42,792,833,576.75/237,820.20
  6. Step 6: Final answer
    x = 179,937.76

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1.5x scale

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.