Home / 250,422.72-345,586.32-137,243.04

Finding the Fourth Proportional to 250,422.72, 345,586.32 and 137,243.04

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Solution

The fourth proportional to 250,422.72, 345,586.32 and 137,243.04 is: 189,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,422.72 : 345,586.32 = 137,243.04 : x
  2. Step 2: Convert to fraction form
    250,422.72/345,586.32 = 137,243.04/x
  3. Step 3: Cross multiply
    250,422.72x = 345,586.32 × 137,243.04
  4. Step 4: Simplify right side
    250,422.72x = 47,429,317,139.21
  5. Step 5: Solve for x
    x = 47,429,317,139.21/250,422.72
  6. Step 6: Final answer
    x = 189,397.02

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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.