Home / 122,514.32-168,914.76-80,005.52

Finding the Fourth Proportional to 122,514.32, 168,914.76 and 80,005.52

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Solution

The fourth proportional to 122,514.32, 168,914.76 and 80,005.52 is: 110,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,514.32 : 168,914.76 = 80,005.52 : x
  2. Step 2: Convert to fraction form
    122,514.32/168,914.76 = 80,005.52/x
  3. Step 3: Cross multiply
    122,514.32x = 168,914.76 × 80,005.52
  4. Step 4: Simplify right side
    122,514.32x = 13,514,113,209.48
  5. Step 5: Solve for x
    x = 13,514,113,209.48/122,514.32
  6. Step 6: Final answer
    x = 110,306.40

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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.