Home / 122,942.34-169,673.13-75,227.40

Finding the Fourth Proportional to 122,942.34, 169,673.13 and 75,227.40

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Solution

The fourth proportional to 122,942.34, 169,673.13 and 75,227.40 is: 103,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,942.34 : 169,673.13 = 75,227.40 : x
  2. Step 2: Convert to fraction form
    122,942.34/169,673.13 = 75,227.40/x
  3. Step 3: Cross multiply
    122,942.34x = 169,673.13 × 75,227.40
  4. Step 4: Simplify right side
    122,942.34x = 12,764,068,419.76
  5. Step 5: Solve for x
    x = 12,764,068,419.76/122,942.34
  6. Step 6: Final answer
    x = 103,821.58

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1.5x scale

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.