Home / 180,186.10-270,279.15-86,701.30

Finding the Fourth Proportional to 180,186.10, 270,279.15 and 86,701.30

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Solution

The fourth proportional to 180,186.10, 270,279.15 and 86,701.30 is: 130,051.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,186.10 : 270,279.15 = 86,701.30 : x
  2. Step 2: Convert to fraction form
    180,186.10/270,279.15 = 86,701.30/x
  3. Step 3: Cross multiply
    180,186.10x = 270,279.15 × 86,701.30
  4. Step 4: Simplify right side
    180,186.10x = 23,433,553,667.90
  5. Step 5: Solve for x
    x = 23,433,553,667.90/180,186.10
  6. Step 6: Final answer
    x = 130,051.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.