Home / 250,337.34-345,474.12-137,160.06

Finding the Fourth Proportional to 250,337.34, 345,474.12 and 137,160.06

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Solution

The fourth proportional to 250,337.34, 345,474.12 and 137,160.06 is: 189,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,337.34 : 345,474.12 = 137,160.06 : x
  2. Step 2: Convert to fraction form
    250,337.34/345,474.12 = 137,160.06/x
  3. Step 3: Cross multiply
    250,337.34x = 345,474.12 × 137,160.06
  4. Step 4: Simplify right side
    250,337.34x = 47,385,251,027.65
  5. Step 5: Solve for x
    x = 47,385,251,027.65/250,337.34
  6. Step 6: Final answer
    x = 189,285.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.