Home / 152,949.40-229,424.10-121,456.60

Finding the Fourth Proportional to 152,949.40, 229,424.10 and 121,456.60

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Solution

The fourth proportional to 152,949.40, 229,424.10 and 121,456.60 is: 182,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,949.40 : 229,424.10 = 121,456.60 : x
  2. Step 2: Convert to fraction form
    152,949.40/229,424.10 = 121,456.60/x
  3. Step 3: Cross multiply
    152,949.40x = 229,424.10 × 121,456.60
  4. Step 4: Simplify right side
    152,949.40x = 27,865,071,144.06
  5. Step 5: Solve for x
    x = 27,865,071,144.06/152,949.40
  6. Step 6: Final answer
    x = 182,184.90

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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.