Home / 163,511.52-225,666.06-91,890

Finding the Fourth Proportional to 163,511.52, 225,666.06 and 91,890

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Solution

The fourth proportional to 163,511.52, 225,666.06 and 91,890 is: 126,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,511.52 : 225,666.06 = 91,890 : x
  2. Step 2: Convert to fraction form
    163,511.52/225,666.06 = 91,890/x
  3. Step 3: Cross multiply
    163,511.52x = 225,666.06 × 91,890
  4. Step 4: Simplify right side
    163,511.52x = 20,736,454,253.40
  5. Step 5: Solve for x
    x = 20,736,454,253.40/163,511.52
  6. Step 6: Final answer
    x = 126,819.53

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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.