Home / 152,989.98-229,405.75-68,677.53

Finding the Fourth Proportional to 152,989.98, 229,405.75 and 68,677.53

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Solution

The fourth proportional to 152,989.98, 229,405.75 and 68,677.53 is: 102,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,989.98 : 229,405.75 = 68,677.53 : x
  2. Step 2: Convert to fraction form
    152,989.98/229,405.75 = 68,677.53/x
  3. Step 3: Cross multiply
    152,989.98x = 229,405.75 × 68,677.53
  4. Step 4: Simplify right side
    152,989.98x = 15,755,020,277.80
  5. Step 5: Solve for x
    x = 15,755,020,277.80/152,989.98
  6. Step 6: Final answer
    x = 102,980.73

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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.