Home / 250,207.62-345,289.95-137,031.18

Finding the Fourth Proportional to 250,207.62, 345,289.95 and 137,031.18

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Solution

The fourth proportional to 250,207.62, 345,289.95 and 137,031.18 is: 189,104.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,207.62 : 345,289.95 = 137,031.18 : x
  2. Step 2: Convert to fraction form
    250,207.62/345,289.95 = 137,031.18/x
  3. Step 3: Cross multiply
    250,207.62x = 345,289.95 × 137,031.18
  4. Step 4: Simplify right side
    250,207.62x = 47,315,489,290.64
  5. Step 5: Solve for x
    x = 47,315,489,290.64/250,207.62
  6. Step 6: Final answer
    x = 189,104.91

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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.