Home / 120,029.61-165,632.52-66,314.19

Finding the Fourth Proportional to 120,029.61, 165,632.52 and 66,314.19

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Solution

The fourth proportional to 120,029.61, 165,632.52 and 66,314.19 is: 91,508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,029.61 : 165,632.52 = 66,314.19 : x
  2. Step 2: Convert to fraction form
    120,029.61/165,632.52 = 66,314.19/x
  3. Step 3: Cross multiply
    120,029.61x = 165,632.52 × 66,314.19
  4. Step 4: Simplify right side
    120,029.61x = 10,983,786,401.46
  5. Step 5: Solve for x
    x = 10,983,786,401.46/120,029.61
  6. Step 6: Final answer
    x = 91,508.97

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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.