Home / 112,306.88-154,997.08-63,920.57

Finding the Fourth Proportional to 112,306.88, 154,997.08 and 63,920.57

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Solution

The fourth proportional to 112,306.88, 154,997.08 and 63,920.57 is: 88,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,306.88 : 154,997.08 = 63,920.57 : x
  2. Step 2: Convert to fraction form
    112,306.88/154,997.08 = 63,920.57/x
  3. Step 3: Cross multiply
    112,306.88x = 154,997.08 × 63,920.57
  4. Step 4: Simplify right side
    112,306.88x = 9,907,501,701.94
  5. Step 5: Solve for x
    x = 9,907,501,701.94/112,306.88
  6. Step 6: Final answer
    x = 88,218.12

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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.