Home / 154,299.72-231,447.12-49,117.20

Finding the Fourth Proportional to 154,299.72, 231,447.12 and 49,117.20

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Solution

The fourth proportional to 154,299.72, 231,447.12 and 49,117.20 is: 73,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,299.72 : 231,447.12 = 49,117.20 : x
  2. Step 2: Convert to fraction form
    154,299.72/231,447.12 = 49,117.20/x
  3. Step 3: Cross multiply
    154,299.72x = 231,447.12 × 49,117.20
  4. Step 4: Simplify right side
    154,299.72x = 11,368,034,482.46
  5. Step 5: Solve for x
    x = 11,368,034,482.46/154,299.72
  6. Step 6: Final answer
    x = 73,675.02

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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.