Home / 112,714.97-155,519.95-66,751.40

Finding the Fourth Proportional to 112,714.97, 155,519.95 and 66,751.40

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Solution

The fourth proportional to 112,714.97, 155,519.95 and 66,751.40 is: 92,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,714.97 : 155,519.95 = 66,751.40 : x
  2. Step 2: Convert to fraction form
    112,714.97/155,519.95 = 66,751.40/x
  3. Step 3: Cross multiply
    112,714.97x = 155,519.95 × 66,751.40
  4. Step 4: Simplify right side
    112,714.97x = 10,381,174,390.43
  5. Step 5: Solve for x
    x = 10,381,174,390.43/112,714.97
  6. Step 6: Final answer
    x = 92,101.11

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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.