Home / 154,514.90-231,772.35-71,570.90

Finding the Fourth Proportional to 154,514.90, 231,772.35 and 71,570.90

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Solution

The fourth proportional to 154,514.90, 231,772.35 and 71,570.90 is: 107,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,514.90 : 231,772.35 = 71,570.90 : x
  2. Step 2: Convert to fraction form
    154,514.90/231,772.35 = 71,570.90/x
  3. Step 3: Cross multiply
    154,514.90x = 231,772.35 × 71,570.90
  4. Step 4: Simplify right side
    154,514.90x = 16,588,155,684.62
  5. Step 5: Solve for x
    x = 16,588,155,684.62/154,514.90
  6. Step 6: Final answer
    x = 107,356.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.