Home / 207,084.14-310,549.30-72,113.55

Finding the Fourth Proportional to 207,084.14, 310,549.30 and 72,113.55

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Solution

The fourth proportional to 207,084.14, 310,549.30 and 72,113.55 is: 108,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,084.14 : 310,549.30 = 72,113.55 : x
  2. Step 2: Convert to fraction form
    207,084.14/310,549.30 = 72,113.55/x
  3. Step 3: Cross multiply
    207,084.14x = 310,549.30 × 72,113.55
  4. Step 4: Simplify right side
    207,084.14x = 22,394,813,818.77
  5. Step 5: Solve for x
    x = 22,394,813,818.77/207,084.14
  6. Step 6: Final answer
    x = 108,143.55

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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.