Home / 157,064.88-235,432.80-76,992.24

Finding the Fourth Proportional to 157,064.88, 235,432.80 and 76,992.24

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Solution

The fourth proportional to 157,064.88, 235,432.80 and 76,992.24 is: 115,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,064.88 : 235,432.80 = 76,992.24 : x
  2. Step 2: Convert to fraction form
    157,064.88/235,432.80 = 76,992.24/x
  3. Step 3: Cross multiply
    157,064.88x = 235,432.80 × 76,992.24
  4. Step 4: Simplify right side
    157,064.88x = 18,126,498,641.47
  5. Step 5: Solve for x
    x = 18,126,498,641.47/157,064.88
  6. Step 6: Final answer
    x = 115,407.71

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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.