Home / 90,859.28-136,230.60-59,658.08

Finding the Fourth Proportional to 90,859.28, 136,230.60 and 59,658.08

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Solution

The fourth proportional to 90,859.28, 136,230.60 and 59,658.08 is: 89,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.28 : 136,230.60 = 59,658.08 : x
  2. Step 2: Convert to fraction form
    90,859.28/136,230.60 = 59,658.08/x
  3. Step 3: Cross multiply
    90,859.28x = 136,230.60 × 59,658.08
  4. Step 4: Simplify right side
    90,859.28x = 8,127,256,033.25
  5. Step 5: Solve for x
    x = 8,127,256,033.25/90,859.28
  6. Step 6: Final answer
    x = 89,448.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.