Home / 122,750.67-169,355.20-100,050.63

Finding the Fourth Proportional to 122,750.67, 169,355.20 and 100,050.63

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Solution

The fourth proportional to 122,750.67, 169,355.20 and 100,050.63 is: 138,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,750.67 : 169,355.20 = 100,050.63 : x
  2. Step 2: Convert to fraction form
    122,750.67/169,355.20 = 100,050.63/x
  3. Step 3: Cross multiply
    122,750.67x = 169,355.20 × 100,050.63
  4. Step 4: Simplify right side
    122,750.67x = 16,944,094,453.78
  5. Step 5: Solve for x
    x = 16,944,094,453.78/122,750.67
  6. Step 6: Final answer
    x = 138,036.68

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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.