Home / 163,142.92-225,233.76-102,765.32

Finding the Fourth Proportional to 163,142.92, 225,233.76 and 102,765.32

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Solution

The fourth proportional to 163,142.92, 225,233.76 and 102,765.32 is: 141,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,142.92 : 225,233.76 = 102,765.32 : x
  2. Step 2: Convert to fraction form
    163,142.92/225,233.76 = 102,765.32/x
  3. Step 3: Cross multiply
    163,142.92x = 225,233.76 × 102,765.32
  4. Step 4: Simplify right side
    163,142.92x = 23,146,219,421.20
  5. Step 5: Solve for x
    x = 23,146,219,421.20/163,142.92
  6. Step 6: Final answer
    x = 141,876.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.