Home / 146,484.20-219,726.30-136,653.80

Finding the Fourth Proportional to 146,484.20, 219,726.30 and 136,653.80

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Solution

The fourth proportional to 146,484.20, 219,726.30 and 136,653.80 is: 204,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,484.20 : 219,726.30 = 136,653.80 : x
  2. Step 2: Convert to fraction form
    146,484.20/219,726.30 = 136,653.80/x
  3. Step 3: Cross multiply
    146,484.20x = 219,726.30 × 136,653.80
  4. Step 4: Simplify right side
    146,484.20x = 30,026,433,854.94
  5. Step 5: Solve for x
    x = 30,026,433,854.94/146,484.20
  6. Step 6: Final answer
    x = 204,980.70

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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.