Home / 90,153.64-124,370.13-58,332.79

Finding the Fourth Proportional to 90,153.64, 124,370.13 and 58,332.79

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Solution

The fourth proportional to 90,153.64, 124,370.13 and 58,332.79 is: 80,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153.64 : 124,370.13 = 58,332.79 : x
  2. Step 2: Convert to fraction form
    90,153.64/124,370.13 = 58,332.79/x
  3. Step 3: Cross multiply
    90,153.64x = 124,370.13 × 58,332.79
  4. Step 4: Simplify right side
    90,153.64x = 7,254,856,675.56
  5. Step 5: Solve for x
    x = 7,254,856,675.56/90,153.64
  6. Step 6: Final answer
    x = 80,472.14

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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.