Home / 86,134.46-129,226.80-52,875.86

Finding the Fourth Proportional to 86,134.46, 129,226.80 and 52,875.86

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Solution

The fourth proportional to 86,134.46, 129,226.80 and 52,875.86 is: 79,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,134.46 : 129,226.80 = 52,875.86 : x
  2. Step 2: Convert to fraction form
    86,134.46/129,226.80 = 52,875.86/x
  3. Step 3: Cross multiply
    86,134.46x = 129,226.80 × 52,875.86
  4. Step 4: Simplify right side
    86,134.46x = 6,832,978,185.05
  5. Step 5: Solve for x
    x = 6,832,978,185.05/86,134.46
  6. Step 6: Final answer
    x = 79,329.20

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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.