Home / 171,631.10-257,446.65-101,474.30

Finding the Fourth Proportional to 171,631.10, 257,446.65 and 101,474.30

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Solution

The fourth proportional to 171,631.10, 257,446.65 and 101,474.30 is: 152,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,631.10 : 257,446.65 = 101,474.30 : x
  2. Step 2: Convert to fraction form
    171,631.10/257,446.65 = 101,474.30/x
  3. Step 3: Cross multiply
    171,631.10x = 257,446.65 × 101,474.30
  4. Step 4: Simplify right side
    171,631.10x = 26,124,218,596.10
  5. Step 5: Solve for x
    x = 26,124,218,596.10/171,631.10
  6. Step 6: Final answer
    x = 152,211.45

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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.