Home / 90,098.40-135,244.80-50,732.40

Finding the Fourth Proportional to 90,098.40, 135,244.80 and 50,732.40

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Solution

The fourth proportional to 90,098.40, 135,244.80 and 50,732.40 is: 76,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,098.40 : 135,244.80 = 50,732.40 : x
  2. Step 2: Convert to fraction form
    90,098.40/135,244.80 = 50,732.40/x
  3. Step 3: Cross multiply
    90,098.40x = 135,244.80 × 50,732.40
  4. Step 4: Simplify right side
    90,098.40x = 6,861,293,291.52
  5. Step 5: Solve for x
    x = 6,861,293,291.52/90,098.40
  6. Step 6: Final answer
    x = 76,153.33

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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.