Home / 132,287.12-182,486.25-83,803.52

Finding the Fourth Proportional to 132,287.12, 182,486.25 and 83,803.52

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Solution

The fourth proportional to 132,287.12, 182,486.25 and 83,803.52 is: 115,604.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,287.12 : 182,486.25 = 83,803.52 : x
  2. Step 2: Convert to fraction form
    132,287.12/182,486.25 = 83,803.52/x
  3. Step 3: Cross multiply
    132,287.12x = 182,486.25 × 83,803.52
  4. Step 4: Simplify right side
    132,287.12x = 15,292,990,557.82
  5. Step 5: Solve for x
    x = 15,292,990,557.82/132,287.12
  6. Step 6: Final answer
    x = 115,604.53

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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.