Home / 177,649.30-245,145.59-97,060.78

Finding the Fourth Proportional to 177,649.30, 245,145.59 and 97,060.78

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Solution

The fourth proportional to 177,649.30, 245,145.59 and 97,060.78 is: 133,938.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,649.30 : 245,145.59 = 97,060.78 : x
  2. Step 2: Convert to fraction form
    177,649.30/245,145.59 = 97,060.78/x
  3. Step 3: Cross multiply
    177,649.30x = 245,145.59 × 97,060.78
  4. Step 4: Simplify right side
    177,649.30x = 23,794,021,693.66
  5. Step 5: Solve for x
    x = 23,794,021,693.66/177,649.30
  6. Step 6: Final answer
    x = 133,938.17

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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.