Home / 90,836.40-136,277.64-59,732.40

Finding the Fourth Proportional to 90,836.40, 136,277.64 and 59,732.40

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Solution

The fourth proportional to 90,836.40, 136,277.64 and 59,732.40 is: 89,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,836.40 : 136,277.64 = 59,732.40 : x
  2. Step 2: Convert to fraction form
    90,836.40/136,277.64 = 59,732.40/x
  3. Step 3: Cross multiply
    90,836.40x = 136,277.64 × 59,732.40
  4. Step 4: Simplify right side
    90,836.40x = 8,140,190,503.54
  5. Step 5: Solve for x
    x = 8,140,190,503.54/90,836.40
  6. Step 6: Final answer
    x = 89,613.75

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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.