Home / 68,184.18-102,292.61-21,437.06

Finding the Fourth Proportional to 68,184.18, 102,292.61 and 21,437.06

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Solution

The fourth proportional to 68,184.18, 102,292.61 and 21,437.06 is: 32,160.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,184.18 : 102,292.61 = 21,437.06 : x
  2. Step 2: Convert to fraction form
    68,184.18/102,292.61 = 21,437.06/x
  3. Step 3: Cross multiply
    68,184.18x = 102,292.61 × 21,437.06
  4. Step 4: Simplify right side
    68,184.18x = 2,192,852,199.48
  5. Step 5: Solve for x
    x = 2,192,852,199.48/68,184.18
  6. Step 6: Final answer
    x = 32,160.72

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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.