Home / 112,240.20-154,894.75-61,256.22

Finding the Fourth Proportional to 112,240.20, 154,894.75 and 61,256.22

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Solution

The fourth proportional to 112,240.20, 154,894.75 and 61,256.22 is: 84,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,240.20 : 154,894.75 = 61,256.22 : x
  2. Step 2: Convert to fraction form
    112,240.20/154,894.75 = 61,256.22/x
  3. Step 3: Cross multiply
    112,240.20x = 154,894.75 × 61,256.22
  4. Step 4: Simplify right side
    112,240.20x = 9,488,266,882.85
  5. Step 5: Solve for x
    x = 9,488,266,882.85/112,240.20
  6. Step 6: Final answer
    x = 84,535.37

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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.