Home / 155,633.68-231,970.04-146,775.52

Finding the Fourth Proportional to 155,633.68, 231,970.04 and 146,775.52

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Solution

The fourth proportional to 155,633.68, 231,970.04 and 146,775.52 is: 218,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,633.68 : 231,970.04 = 146,775.52 : x
  2. Step 2: Convert to fraction form
    155,633.68/231,970.04 = 146,775.52/x
  3. Step 3: Cross multiply
    155,633.68x = 231,970.04 × 146,775.52
  4. Step 4: Simplify right side
    155,633.68x = 34,047,523,245.42
  5. Step 5: Solve for x
    x = 34,047,523,245.42/155,633.68
  6. Step 6: Final answer
    x = 218,767.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.