Home / 154,059.96-231,012.18-75,055.80

Finding the Fourth Proportional to 154,059.96, 231,012.18 and 75,055.80

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Solution

The fourth proportional to 154,059.96, 231,012.18 and 75,055.80 is: 112,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,059.96 : 231,012.18 = 75,055.80 : x
  2. Step 2: Convert to fraction form
    154,059.96/231,012.18 = 75,055.80/x
  3. Step 3: Cross multiply
    154,059.96x = 231,012.18 × 75,055.80
  4. Step 4: Simplify right side
    154,059.96x = 17,338,803,979.64
  5. Step 5: Solve for x
    x = 17,338,803,979.64/154,059.96
  6. Step 6: Final answer
    x = 112,545.82

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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.