Home / 120,282.56-180,294.24-50,117.12

Finding the Fourth Proportional to 120,282.56, 180,294.24 and 50,117.12

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Solution

The fourth proportional to 120,282.56, 180,294.24 and 50,117.12 is: 75,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,282.56 : 180,294.24 = 50,117.12 : x
  2. Step 2: Convert to fraction form
    120,282.56/180,294.24 = 50,117.12/x
  3. Step 3: Cross multiply
    120,282.56x = 180,294.24 × 50,117.12
  4. Step 4: Simplify right side
    120,282.56x = 9,035,828,061.39
  5. Step 5: Solve for x
    x = 9,035,828,061.39/120,282.56
  6. Step 6: Final answer
    x = 75,121.68

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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.