Home / 120,531.99-166,335.65-69,555.30

Finding the Fourth Proportional to 120,531.99, 166,335.65 and 69,555.30

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Solution

The fourth proportional to 120,531.99, 166,335.65 and 69,555.30 is: 95,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,531.99 : 166,335.65 = 69,555.30 : x
  2. Step 2: Convert to fraction form
    120,531.99/166,335.65 = 69,555.30/x
  3. Step 3: Cross multiply
    120,531.99x = 166,335.65 × 69,555.30
  4. Step 4: Simplify right side
    120,531.99x = 11,569,526,210.33
  5. Step 5: Solve for x
    x = 11,569,526,210.33/120,531.99
  6. Step 6: Final answer
    x = 95,987.18

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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.