Home / 122,919.22-169,631.72-69,206.20

Finding the Fourth Proportional to 122,919.22, 169,631.72 and 69,206.20

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Solution

The fourth proportional to 122,919.22, 169,631.72 and 69,206.20 is: 95,506.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,919.22 : 169,631.72 = 69,206.20 : x
  2. Step 2: Convert to fraction form
    122,919.22/169,631.72 = 69,206.20/x
  3. Step 3: Cross multiply
    122,919.22x = 169,631.72 × 69,206.20
  4. Step 4: Simplify right side
    122,919.22x = 11,739,566,230.08
  5. Step 5: Solve for x
    x = 11,739,566,230.08/122,919.22
  6. Step 6: Final answer
    x = 95,506.35

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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.