Home / 154,447.20-213,134.42-85,535.24

Finding the Fourth Proportional to 154,447.20, 213,134.42 and 85,535.24

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Solution

The fourth proportional to 154,447.20, 213,134.42 and 85,535.24 is: 118,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,447.20 : 213,134.42 = 85,535.24 : x
  2. Step 2: Convert to fraction form
    154,447.20/213,134.42 = 85,535.24/x
  3. Step 3: Cross multiply
    154,447.20x = 213,134.42 × 85,535.24
  4. Step 4: Simplify right side
    154,447.20x = 18,230,502,273.61
  5. Step 5: Solve for x
    x = 18,230,502,273.61/154,447.20
  6. Step 6: Final answer
    x = 118,037.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.