Home / 155,812.46-233,635.53-80,857.13

Finding the Fourth Proportional to 155,812.46, 233,635.53 and 80,857.13

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Solution

The fourth proportional to 155,812.46, 233,635.53 and 80,857.13 is: 121,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,812.46 : 233,635.53 = 80,857.13 : x
  2. Step 2: Convert to fraction form
    155,812.46/233,635.53 = 80,857.13/x
  3. Step 3: Cross multiply
    155,812.46x = 233,635.53 × 80,857.13
  4. Step 4: Simplify right side
    155,812.46x = 18,891,098,421.83
  5. Step 5: Solve for x
    x = 18,891,098,421.83/155,812.46
  6. Step 6: Final answer
    x = 121,242.54

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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.