Home / 124,158.89-171,337.70-73,173.80

Finding the Fourth Proportional to 124,158.89, 171,337.70 and 73,173.80

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Solution

The fourth proportional to 124,158.89, 171,337.70 and 73,173.80 is: 100,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,158.89 : 171,337.70 = 73,173.80 : x
  2. Step 2: Convert to fraction form
    124,158.89/171,337.70 = 73,173.80/x
  3. Step 3: Cross multiply
    124,158.89x = 171,337.70 × 73,173.80
  4. Step 4: Simplify right side
    124,158.89x = 12,537,431,203.54
  5. Step 5: Solve for x
    x = 12,537,431,203.54/124,158.89
  6. Step 6: Final answer
    x = 100,978.92

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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.