Home / 110,682.12-152,739.90-60,377.88

Finding the Fourth Proportional to 110,682.12, 152,739.90 and 60,377.88

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Solution

The fourth proportional to 110,682.12, 152,739.90 and 60,377.88 is: 83,320.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,682.12 : 152,739.90 = 60,377.88 : x
  2. Step 2: Convert to fraction form
    110,682.12/152,739.90 = 60,377.88/x
  3. Step 3: Cross multiply
    110,682.12x = 152,739.90 × 60,377.88
  4. Step 4: Simplify right side
    110,682.12x = 9,222,111,353.41
  5. Step 5: Solve for x
    x = 9,222,111,353.41/110,682.12
  6. Step 6: Final answer
    x = 83,320.70

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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.