Home / 122,874.03-169,547.71-69,155.85

Finding the Fourth Proportional to 122,874.03, 169,547.71 and 69,155.85

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Solution

The fourth proportional to 122,874.03, 169,547.71 and 69,155.85 is: 95,424.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,874.03 : 169,547.71 = 69,155.85 : x
  2. Step 2: Convert to fraction form
    122,874.03/169,547.71 = 69,155.85/x
  3. Step 3: Cross multiply
    122,874.03x = 169,547.71 × 69,155.85
  4. Step 4: Simplify right side
    122,874.03x = 11,725,216,000.60
  5. Step 5: Solve for x
    x = 11,725,216,000.60/122,874.03
  6. Step 6: Final answer
    x = 95,424.69

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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.