Home / 250,425.55-345,585.31-137,248.03

Finding the Fourth Proportional to 250,425.55, 345,585.31 and 137,248.03

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Solution

The fourth proportional to 250,425.55, 345,585.31 and 137,248.03 is: 189,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,425.55 : 345,585.31 = 137,248.03 : x
  2. Step 2: Convert to fraction form
    250,425.55/345,585.31 = 137,248.03/x
  3. Step 3: Cross multiply
    250,425.55x = 345,585.31 × 137,248.03
  4. Step 4: Simplify right side
    250,425.55x = 47,430,902,994.44
  5. Step 5: Solve for x
    x = 47,430,902,994.44/250,425.55
  6. Step 6: Final answer
    x = 189,401.21

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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.