Home / 152,643.49-229,013.52-68,475.85

Finding the Fourth Proportional to 152,643.49, 229,013.52 and 68,475.85

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Solution

The fourth proportional to 152,643.49, 229,013.52 and 68,475.85 is: 102,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,643.49 : 229,013.52 = 68,475.85 : x
  2. Step 2: Convert to fraction form
    152,643.49/229,013.52 = 68,475.85/x
  3. Step 3: Cross multiply
    152,643.49x = 229,013.52 × 68,475.85
  4. Step 4: Simplify right side
    152,643.49x = 15,681,895,443.49
  5. Step 5: Solve for x
    x = 15,681,895,443.49/152,643.49
  6. Step 6: Final answer
    x = 102,735.44

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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.