Home / 98,851.32-147,932.37-80,874.18

Finding the Fourth Proportional to 98,851.32, 147,932.37 and 80,874.18

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Solution

The fourth proportional to 98,851.32, 147,932.37 and 80,874.18 is: 121,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,851.32 : 147,932.37 = 80,874.18 : x
  2. Step 2: Convert to fraction form
    98,851.32/147,932.37 = 80,874.18/x
  3. Step 3: Cross multiply
    98,851.32x = 147,932.37 × 80,874.18
  4. Step 4: Simplify right side
    98,851.32x = 11,963,909,119.21
  5. Step 5: Solve for x
    x = 11,963,909,119.21/98,851.32
  6. Step 6: Final answer
    x = 121,029.33

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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.