Home / 113,689.40-170,534.68-29,443.66

Finding the Fourth Proportional to 113,689.40, 170,534.68 and 29,443.66

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Solution

The fourth proportional to 113,689.40, 170,534.68 and 29,443.66 is: 44,165.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,689.40 : 170,534.68 = 29,443.66 : x
  2. Step 2: Convert to fraction form
    113,689.40/170,534.68 = 29,443.66/x
  3. Step 3: Cross multiply
    113,689.40x = 170,534.68 × 29,443.66
  4. Step 4: Simplify right side
    113,689.40x = 5,021,165,136.13
  5. Step 5: Solve for x
    x = 5,021,165,136.13/113,689.40
  6. Step 6: Final answer
    x = 44,165.64

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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.