Home / 145,530.76-200,828.10-88,204

Finding the Fourth Proportional to 145,530.76, 200,828.10 and 88,204

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Solution

The fourth proportional to 145,530.76, 200,828.10 and 88,204 is: 121,718.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,530.76 : 200,828.10 = 88,204 : x
  2. Step 2: Convert to fraction form
    145,530.76/200,828.10 = 88,204/x
  3. Step 3: Cross multiply
    145,530.76x = 200,828.10 × 88,204
  4. Step 4: Simplify right side
    145,530.76x = 17,713,841,732.40
  5. Step 5: Solve for x
    x = 17,713,841,732.40/145,530.76
  6. Step 6: Final answer
    x = 121,718.88

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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.