Home / 163,906.38-245,901.80-89,007.30

Finding the Fourth Proportional to 163,906.38, 245,901.80 and 89,007.30

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Solution

The fourth proportional to 163,906.38, 245,901.80 and 89,007.30 is: 133,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,906.38 : 245,901.80 = 89,007.30 : x
  2. Step 2: Convert to fraction form
    163,906.38/245,901.80 = 89,007.30/x
  3. Step 3: Cross multiply
    163,906.38x = 245,901.80 × 89,007.30
  4. Step 4: Simplify right side
    163,906.38x = 21,887,055,283.14
  5. Step 5: Solve for x
    x = 21,887,055,283.14/163,906.38
  6. Step 6: Final answer
    x = 133,533.88

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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.