Home / 163,695.45-225,930.77-102,470.12

Finding the Fourth Proportional to 163,695.45, 225,930.77 and 102,470.12

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Solution

The fourth proportional to 163,695.45, 225,930.77 and 102,470.12 is: 141,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,695.45 : 225,930.77 = 102,470.12 : x
  2. Step 2: Convert to fraction form
    163,695.45/225,930.77 = 102,470.12/x
  3. Step 3: Cross multiply
    163,695.45x = 225,930.77 × 102,470.12
  4. Step 4: Simplify right side
    163,695.45x = 23,151,153,113.59
  5. Step 5: Solve for x
    x = 23,151,153,113.59/163,695.45
  6. Step 6: Final answer
    x = 141,428.20

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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.