Home / 84,139.93-126,209.83-24,975.54

Finding the Fourth Proportional to 84,139.93, 126,209.83 and 24,975.54

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Solution

The fourth proportional to 84,139.93, 126,209.83 and 24,975.54 is: 37,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,139.93 : 126,209.83 = 24,975.54 : x
  2. Step 2: Convert to fraction form
    84,139.93/126,209.83 = 24,975.54/x
  3. Step 3: Cross multiply
    84,139.93x = 126,209.83 × 24,975.54
  4. Step 4: Simplify right side
    84,139.93x = 3,152,158,747.31
  5. Step 5: Solve for x
    x = 3,152,158,747.31/84,139.93
  6. Step 6: Final answer
    x = 37,463.29

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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.