Home / 86,932.20-130,406.13-30,766.26

Finding the Fourth Proportional to 86,932.20, 130,406.13 and 30,766.26

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Solution

The fourth proportional to 86,932.20, 130,406.13 and 30,766.26 is: 46,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932.20 : 130,406.13 = 30,766.26 : x
  2. Step 2: Convert to fraction form
    86,932.20/130,406.13 = 30,766.26/x
  3. Step 3: Cross multiply
    86,932.20x = 130,406.13 × 30,766.26
  4. Step 4: Simplify right side
    86,932.20x = 4,012,108,901.17
  5. Step 5: Solve for x
    x = 4,012,108,901.17/86,932.20
  6. Step 6: Final answer
    x = 46,152.16

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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.