Home / 112,120.08-154,726.92-61,132.39

Finding the Fourth Proportional to 112,120.08, 154,726.92 and 61,132.39

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Solution

The fourth proportional to 112,120.08, 154,726.92 and 61,132.39 is: 84,363.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,120.08 : 154,726.92 = 61,132.39 : x
  2. Step 2: Convert to fraction form
    112,120.08/154,726.92 = 61,132.39/x
  3. Step 3: Cross multiply
    112,120.08x = 154,726.92 × 61,132.39
  4. Step 4: Simplify right side
    112,120.08x = 9,458,826,416.94
  5. Step 5: Solve for x
    x = 9,458,826,416.94/112,120.08
  6. Step 6: Final answer
    x = 84,363.36

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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.