Home / 90,440.52-124,735.92-58,178.88

Finding the Fourth Proportional to 90,440.52, 124,735.92 and 58,178.88

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Solution

The fourth proportional to 90,440.52, 124,735.92 and 58,178.88 is: 80,240.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,440.52 : 124,735.92 = 58,178.88 : x
  2. Step 2: Convert to fraction form
    90,440.52/124,735.92 = 58,178.88/x
  3. Step 3: Cross multiply
    90,440.52x = 124,735.92 × 58,178.88
  4. Step 4: Simplify right side
    90,440.52x = 7,256,996,121.37
  5. Step 5: Solve for x
    x = 7,256,996,121.37/90,440.52
  6. Step 6: Final answer
    x = 80,240.54

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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.