Home / 154,038.30-231,057.45-135,959.10

Finding the Fourth Proportional to 154,038.30, 231,057.45 and 135,959.10

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Solution

The fourth proportional to 154,038.30, 231,057.45 and 135,959.10 is: 203,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,038.30 : 231,057.45 = 135,959.10 : x
  2. Step 2: Convert to fraction form
    154,038.30/231,057.45 = 135,959.10/x
  3. Step 3: Cross multiply
    154,038.30x = 231,057.45 × 135,959.10
  4. Step 4: Simplify right side
    154,038.30x = 31,414,362,950.30
  5. Step 5: Solve for x
    x = 31,414,362,950.30/154,038.30
  6. Step 6: Final answer
    x = 203,938.65

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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.