Home / 99,277.02-137,001.78-53,954.28

Finding the Fourth Proportional to 99,277.02, 137,001.78 and 53,954.28

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Solution

The fourth proportional to 99,277.02, 137,001.78 and 53,954.28 is: 74,456.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,277.02 : 137,001.78 = 53,954.28 : x
  2. Step 2: Convert to fraction form
    99,277.02/137,001.78 = 53,954.28/x
  3. Step 3: Cross multiply
    99,277.02x = 137,001.78 × 53,954.28
  4. Step 4: Simplify right side
    99,277.02x = 7,391,832,398.62
  5. Step 5: Solve for x
    x = 7,391,832,398.62/99,277.02
  6. Step 6: Final answer
    x = 74,456.63

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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.