Home / 155,349.12-232,950.04-54,111.85

Finding the Fourth Proportional to 155,349.12, 232,950.04 and 54,111.85

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Solution

The fourth proportional to 155,349.12, 232,950.04 and 54,111.85 is: 81,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,349.12 : 232,950.04 = 54,111.85 : x
  2. Step 2: Convert to fraction form
    155,349.12/232,950.04 = 54,111.85/x
  3. Step 3: Cross multiply
    155,349.12x = 232,950.04 × 54,111.85
  4. Step 4: Simplify right side
    155,349.12x = 12,605,357,621.97
  5. Step 5: Solve for x
    x = 12,605,357,621.97/155,349.12
  6. Step 6: Final answer
    x = 81,142.12

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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.