Home / 124,947.09-187,420.64-36,200.66

Finding the Fourth Proportional to 124,947.09, 187,420.64 and 36,200.66

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Solution

The fourth proportional to 124,947.09, 187,420.64 and 36,200.66 is: 54,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,947.09 : 187,420.64 = 36,200.66 : x
  2. Step 2: Convert to fraction form
    124,947.09/187,420.64 = 36,200.66/x
  3. Step 3: Cross multiply
    124,947.09x = 187,420.64 × 36,200.66
  4. Step 4: Simplify right side
    124,947.09x = 6,784,749,747.52
  5. Step 5: Solve for x
    x = 6,784,749,747.52/124,947.09
  6. Step 6: Final answer
    x = 54,300.98

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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.