Home / 112,788.18-169,180.67-28,547.73

Finding the Fourth Proportional to 112,788.18, 169,180.67 and 28,547.73

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Solution

The fourth proportional to 112,788.18, 169,180.67 and 28,547.73 is: 42,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,788.18 : 169,180.67 = 28,547.73 : x
  2. Step 2: Convert to fraction form
    112,788.18/169,180.67 = 28,547.73/x
  3. Step 3: Cross multiply
    112,788.18x = 169,180.67 × 28,547.73
  4. Step 4: Simplify right side
    112,788.18x = 4,829,723,945.64
  5. Step 5: Solve for x
    x = 4,829,723,945.64/112,788.18
  6. Step 6: Final answer
    x = 42,821.19

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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.