Home / 112,959.34-156,046.13-90,268.63

Finding the Fourth Proportional to 112,959.34, 156,046.13 and 90,268.63

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Solution

The fourth proportional to 112,959.34, 156,046.13 and 90,268.63 is: 124,700.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,959.34 : 156,046.13 = 90,268.63 : x
  2. Step 2: Convert to fraction form
    112,959.34/156,046.13 = 90,268.63/x
  3. Step 3: Cross multiply
    112,959.34x = 156,046.13 × 90,268.63
  4. Step 4: Simplify right side
    112,959.34x = 14,086,070,371.90
  5. Step 5: Solve for x
    x = 14,086,070,371.90/112,959.34
  6. Step 6: Final answer
    x = 124,700.36

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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.