Home / 112,938.80-169,408.20-29,832.80

Finding the Fourth Proportional to 112,938.80, 169,408.20 and 29,832.80

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Solution

The fourth proportional to 112,938.80, 169,408.20 and 29,832.80 is: 44,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,938.80 : 169,408.20 = 29,832.80 : x
  2. Step 2: Convert to fraction form
    112,938.80/169,408.20 = 29,832.80/x
  3. Step 3: Cross multiply
    112,938.80x = 169,408.20 × 29,832.80
  4. Step 4: Simplify right side
    112,938.80x = 5,053,920,948.96
  5. Step 5: Solve for x
    x = 5,053,920,948.96/112,938.80
  6. Step 6: Final answer
    x = 44,749.20

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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.