Home / 154,038.30-231,057.45-147,914.70

Finding the Fourth Proportional to 154,038.30, 231,057.45 and 147,914.70

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Solution

The fourth proportional to 154,038.30, 231,057.45 and 147,914.70 is: 221,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,038.30 : 231,057.45 = 147,914.70 : x
  2. Step 2: Convert to fraction form
    154,038.30/231,057.45 = 147,914.70/x
  3. Step 3: Cross multiply
    154,038.30x = 231,057.45 × 147,914.70
  4. Step 4: Simplify right side
    154,038.30x = 34,176,793,399.52
  5. Step 5: Solve for x
    x = 34,176,793,399.52/154,038.30
  6. Step 6: Final answer
    x = 221,872.05

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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.