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Finding the Fourth Proportional to 169,258.68, 252,916.56 and 129,056.76

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Solution

The fourth proportional to 169,258.68, 252,916.56 and 129,056.76 is: 192,844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,258.68 : 252,916.56 = 129,056.76 : x
  2. Step 2: Convert to fraction form
    169,258.68/252,916.56 = 129,056.76/x
  3. Step 3: Cross multiply
    169,258.68x = 252,916.56 × 129,056.76
  4. Step 4: Simplify right side
    169,258.68x = 32,640,591,783.95
  5. Step 5: Solve for x
    x = 32,640,591,783.95/169,258.68
  6. Step 6: Final answer
    x = 192,844.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.