Home / 81,237.50-121,848.53-25,062.51

Finding the Fourth Proportional to 81,237.50, 121,848.53 and 25,062.51

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Solution

The fourth proportional to 81,237.50, 121,848.53 and 25,062.51 is: 37,591.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,237.50 : 121,848.53 = 25,062.51 : x
  2. Step 2: Convert to fraction form
    81,237.50/121,848.53 = 25,062.51/x
  3. Step 3: Cross multiply
    81,237.50x = 121,848.53 × 25,062.51
  4. Step 4: Simplify right side
    81,237.50x = 3,053,829,876.30
  5. Step 5: Solve for x
    x = 3,053,829,876.30/81,237.50
  6. Step 6: Final answer
    x = 37,591.38

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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.