Home / 102,094.47-153,141.71-31,979.25

Finding the Fourth Proportional to 102,094.47, 153,141.71 and 31,979.25

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Solution

The fourth proportional to 102,094.47, 153,141.71 and 31,979.25 is: 47,968.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,094.47 : 153,141.71 = 31,979.25 : x
  2. Step 2: Convert to fraction form
    102,094.47/153,141.71 = 31,979.25/x
  3. Step 3: Cross multiply
    102,094.47x = 153,141.71 × 31,979.25
  4. Step 4: Simplify right side
    102,094.47x = 4,897,356,869.62
  5. Step 5: Solve for x
    x = 4,897,356,869.62/102,094.47
  6. Step 6: Final answer
    x = 47,968.88

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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.