Home / 162,820.71-244,228.91-72,839.66

Finding the Fourth Proportional to 162,820.71, 244,228.91 and 72,839.66

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Solution

The fourth proportional to 162,820.71, 244,228.91 and 72,839.66 is: 109,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,820.71 : 244,228.91 = 72,839.66 : x
  2. Step 2: Convert to fraction form
    162,820.71/244,228.91 = 72,839.66/x
  3. Step 3: Cross multiply
    162,820.71x = 244,228.91 × 72,839.66
  4. Step 4: Simplify right side
    162,820.71x = 17,789,549,181.23
  5. Step 5: Solve for x
    x = 17,789,549,181.23/162,820.71
  6. Step 6: Final answer
    x = 109,258.52

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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.