Home / 99,065.28-136,707.40-60,288.54

Finding the Fourth Proportional to 99,065.28, 136,707.40 and 60,288.54

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Solution

The fourth proportional to 99,065.28, 136,707.40 and 60,288.54 is: 83,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,065.28 : 136,707.40 = 60,288.54 : x
  2. Step 2: Convert to fraction form
    99,065.28/136,707.40 = 60,288.54/x
  3. Step 3: Cross multiply
    99,065.28x = 136,707.40 × 60,288.54
  4. Step 4: Simplify right side
    99,065.28x = 8,241,889,553.20
  5. Step 5: Solve for x
    x = 8,241,889,553.20/99,065.28
  6. Step 6: Final answer
    x = 83,196.55

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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.