Home / 156,904.92-236,211.12-142,954.56

Finding the Fourth Proportional to 156,904.92, 236,211.12 and 142,954.56

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Solution

The fourth proportional to 156,904.92, 236,211.12 and 142,954.56 is: 215,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904.92 : 236,211.12 = 142,954.56 : x
  2. Step 2: Convert to fraction form
    156,904.92/236,211.12 = 142,954.56/x
  3. Step 3: Cross multiply
    156,904.92x = 236,211.12 × 142,954.56
  4. Step 4: Simplify right side
    156,904.92x = 33,767,456,726.71
  5. Step 5: Solve for x
    x = 33,767,456,726.71/156,904.92
  6. Step 6: Final answer
    x = 215,209.67

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.