Home / 131,514.41-181,500.95-80,526.89

Finding the Fourth Proportional to 131,514.41, 181,500.95 and 80,526.89

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Solution

The fourth proportional to 131,514.41, 181,500.95 and 80,526.89 is: 111,133.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,514.41 : 181,500.95 = 80,526.89 : x
  2. Step 2: Convert to fraction form
    131,514.41/181,500.95 = 80,526.89/x
  3. Step 3: Cross multiply
    131,514.41x = 181,500.95 × 80,526.89
  4. Step 4: Simplify right side
    131,514.41x = 14,615,706,632.91
  5. Step 5: Solve for x
    x = 14,615,706,632.91/131,514.41
  6. Step 6: Final answer
    x = 111,133.88

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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.