Home / 116,454.80-160,757.51-80,207.10

Finding the Fourth Proportional to 116,454.80, 160,757.51 and 80,207.10

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Solution

The fourth proportional to 116,454.80, 160,757.51 and 80,207.10 is: 110,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,454.80 : 160,757.51 = 80,207.10 : x
  2. Step 2: Convert to fraction form
    116,454.80/160,757.51 = 80,207.10/x
  3. Step 3: Cross multiply
    116,454.80x = 160,757.51 × 80,207.10
  4. Step 4: Simplify right side
    116,454.80x = 12,893,893,279.29
  5. Step 5: Solve for x
    x = 12,893,893,279.29/116,454.80
  6. Step 6: Final answer
    x = 110,720.16

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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.