Home / 170,947.79-256,496.87-90,966.91

Finding the Fourth Proportional to 170,947.79, 256,496.87 and 90,966.91

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Solution

The fourth proportional to 170,947.79, 256,496.87 and 90,966.91 is: 136,490.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,947.79 : 256,496.87 = 90,966.91 : x
  2. Step 2: Convert to fraction form
    170,947.79/256,496.87 = 90,966.91/x
  3. Step 3: Cross multiply
    170,947.79x = 256,496.87 × 90,966.91
  4. Step 4: Simplify right side
    170,947.79x = 23,332,727,688.57
  5. Step 5: Solve for x
    x = 23,332,727,688.57/170,947.79
  6. Step 6: Final answer
    x = 136,490.37

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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.