Home / 110,939.32-153,112.20-63,197.20

Finding the Fourth Proportional to 110,939.32, 153,112.20 and 63,197.20

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Solution

The fourth proportional to 110,939.32, 153,112.20 and 63,197.20 is: 87,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,939.32 : 153,112.20 = 63,197.20 : x
  2. Step 2: Convert to fraction form
    110,939.32/153,112.20 = 63,197.20/x
  3. Step 3: Cross multiply
    110,939.32x = 153,112.20 × 63,197.20
  4. Step 4: Simplify right side
    110,939.32x = 9,676,262,325.84
  5. Step 5: Solve for x
    x = 9,676,262,325.84/110,939.32
  6. Step 6: Final answer
    x = 87,221.22

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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.