Home / 90,886.38-125,432.92-53,192.22

Finding the Fourth Proportional to 90,886.38, 125,432.92 and 53,192.22

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Solution

The fourth proportional to 90,886.38, 125,432.92 and 53,192.22 is: 73,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,886.38 : 125,432.92 = 53,192.22 : x
  2. Step 2: Convert to fraction form
    90,886.38/125,432.92 = 53,192.22/x
  3. Step 3: Cross multiply
    90,886.38x = 125,432.92 × 53,192.22
  4. Step 4: Simplify right side
    90,886.38x = 6,672,055,475.88
  5. Step 5: Solve for x
    x = 6,672,055,475.88/90,886.38
  6. Step 6: Final answer
    x = 73,410.95

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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.