Home / 115,579.32-159,510.78-70,253.88

Finding the Fourth Proportional to 115,579.32, 159,510.78 and 70,253.88

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Solution

The fourth proportional to 115,579.32, 159,510.78 and 70,253.88 is: 96,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,579.32 : 159,510.78 = 70,253.88 : x
  2. Step 2: Convert to fraction form
    115,579.32/159,510.78 = 70,253.88/x
  3. Step 3: Cross multiply
    115,579.32x = 159,510.78 × 70,253.88
  4. Step 4: Simplify right side
    115,579.32x = 11,206,251,196.83
  5. Step 5: Solve for x
    x = 11,206,251,196.83/115,579.32
  6. Step 6: Final answer
    x = 96,957.23

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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.