Home / 86,836.40-130,254.60-58,769.90

Finding the Fourth Proportional to 86,836.40, 130,254.60 and 58,769.90

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Solution

The fourth proportional to 86,836.40, 130,254.60 and 58,769.90 is: 88,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,836.40 : 130,254.60 = 58,769.90 : x
  2. Step 2: Convert to fraction form
    86,836.40/130,254.60 = 58,769.90/x
  3. Step 3: Cross multiply
    86,836.40x = 130,254.60 × 58,769.90
  4. Step 4: Simplify right side
    86,836.40x = 7,655,049,816.54
  5. Step 5: Solve for x
    x = 7,655,049,816.54/86,836.40
  6. Step 6: Final answer
    x = 88,154.85

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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.