Home / 145,436.82-218,160-40,246.98

Finding the Fourth Proportional to 145,436.82, 218,160 and 40,246.98

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Solution

The fourth proportional to 145,436.82, 218,160 and 40,246.98 is: 60,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436.82 : 218,160 = 40,246.98 : x
  2. Step 2: Convert to fraction form
    145,436.82/218,160 = 40,246.98/x
  3. Step 3: Cross multiply
    145,436.82x = 218,160 × 40,246.98
  4. Step 4: Simplify right side
    145,436.82x = 8,780,281,156.80
  5. Step 5: Solve for x
    x = 8,780,281,156.80/145,436.82
  6. Step 6: Final answer
    x = 60,371.79

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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.