Home / 98,472.24-135,859.68-58,187.16

Finding the Fourth Proportional to 98,472.24, 135,859.68 and 58,187.16

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Solution

The fourth proportional to 98,472.24, 135,859.68 and 58,187.16 is: 80,279.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,472.24 : 135,859.68 = 58,187.16 : x
  2. Step 2: Convert to fraction form
    98,472.24/135,859.68 = 58,187.16/x
  3. Step 3: Cross multiply
    98,472.24x = 135,859.68 × 58,187.16
  4. Step 4: Simplify right side
    98,472.24x = 7,905,288,937.71
  5. Step 5: Solve for x
    x = 7,905,288,937.71/98,472.24
  6. Step 6: Final answer
    x = 80,279.37

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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.