Home / 250,167.20-345,230.16-136,988.96

Finding the Fourth Proportional to 250,167.20, 345,230.16 and 136,988.96

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Solution

The fourth proportional to 250,167.20, 345,230.16 and 136,988.96 is: 189,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,167.20 : 345,230.16 = 136,988.96 : x
  2. Step 2: Convert to fraction form
    250,167.20/345,230.16 = 136,988.96/x
  3. Step 3: Cross multiply
    250,167.20x = 345,230.16 × 136,988.96
  4. Step 4: Simplify right side
    250,167.20x = 47,292,720,579.03
  5. Step 5: Solve for x
    x = 47,292,720,579.03/250,167.20
  6. Step 6: Final answer
    x = 189,044.45

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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.