Home / 162,383.40-243,726.98-82,478.52

Finding the Fourth Proportional to 162,383.40, 243,726.98 and 82,478.52

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Solution

The fourth proportional to 162,383.40, 243,726.98 and 82,478.52 is: 123,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,383.40 : 243,726.98 = 82,478.52 : x
  2. Step 2: Convert to fraction form
    162,383.40/243,726.98 = 82,478.52/x
  3. Step 3: Cross multiply
    162,383.40x = 243,726.98 × 82,478.52
  4. Step 4: Simplify right side
    162,383.40x = 20,102,240,182.08
  5. Step 5: Solve for x
    x = 20,102,240,182.08/162,383.40
  6. Step 6: Final answer
    x = 123,794.92

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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.