Home / 120,812.60-181,262.10-50,713.40

Finding the Fourth Proportional to 120,812.60, 181,262.10 and 50,713.40

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Solution

The fourth proportional to 120,812.60, 181,262.10 and 50,713.40 is: 76,088.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,812.60 : 181,262.10 = 50,713.40 : x
  2. Step 2: Convert to fraction form
    120,812.60/181,262.10 = 50,713.40/x
  3. Step 3: Cross multiply
    120,812.60x = 181,262.10 × 50,713.40
  4. Step 4: Simplify right side
    120,812.60x = 9,192,417,382.14
  5. Step 5: Solve for x
    x = 9,192,417,382.14/120,812.60
  6. Step 6: Final answer
    x = 76,088.23

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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.