Home / 120,169.11-180,095.94-88,430.58

Finding the Fourth Proportional to 120,169.11, 180,095.94 and 88,430.58

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Solution

The fourth proportional to 120,169.11, 180,095.94 and 88,430.58 is: 132,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,169.11 : 180,095.94 = 88,430.58 : x
  2. Step 2: Convert to fraction form
    120,169.11/180,095.94 = 88,430.58/x
  3. Step 3: Cross multiply
    120,169.11x = 180,095.94 × 88,430.58
  4. Step 4: Simplify right side
    120,169.11x = 15,925,988,429.85
  5. Step 5: Solve for x
    x = 15,925,988,429.85/120,169.11
  6. Step 6: Final answer
    x = 132,529.80

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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.