Home / 153,108.42-211,229.19-88,565.82

Finding the Fourth Proportional to 153,108.42, 211,229.19 and 88,565.82

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Solution

The fourth proportional to 153,108.42, 211,229.19 and 88,565.82 is: 122,185.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,108.42 : 211,229.19 = 88,565.82 : x
  2. Step 2: Convert to fraction form
    153,108.42/211,229.19 = 88,565.82/x
  3. Step 3: Cross multiply
    153,108.42x = 211,229.19 × 88,565.82
  4. Step 4: Simplify right side
    153,108.42x = 18,707,686,420.29
  5. Step 5: Solve for x
    x = 18,707,686,420.29/153,108.42
  6. Step 6: Final answer
    x = 122,185.88

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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.