Home / 116,979.52-161,424.48-66,000.28

Finding the Fourth Proportional to 116,979.52, 161,424.48 and 66,000.28

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Solution

The fourth proportional to 116,979.52, 161,424.48 and 66,000.28 is: 91,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979.52 : 161,424.48 = 66,000.28 : x
  2. Step 2: Convert to fraction form
    116,979.52/161,424.48 = 66,000.28/x
  3. Step 3: Cross multiply
    116,979.52x = 161,424.48 × 66,000.28
  4. Step 4: Simplify right side
    116,979.52x = 10,654,060,878.85
  5. Step 5: Solve for x
    x = 10,654,060,878.85/116,979.52
  6. Step 6: Final answer
    x = 91,076.29

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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.