Home / 122,035.11-183,182.05-108,085.69

Finding the Fourth Proportional to 122,035.11, 183,182.05 and 108,085.69

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Solution

The fourth proportional to 122,035.11, 183,182.05 and 108,085.69 is: 162,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,035.11 : 183,182.05 = 108,085.69 : x
  2. Step 2: Convert to fraction form
    122,035.11/183,182.05 = 108,085.69/x
  3. Step 3: Cross multiply
    122,035.11x = 183,182.05 × 108,085.69
  4. Step 4: Simplify right side
    122,035.11x = 19,799,358,269.86
  5. Step 5: Solve for x
    x = 19,799,358,269.86/122,035.11
  6. Step 6: Final answer
    x = 162,243.13

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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.