Home / 124,144.18-171,305.04-73,153.60

Finding the Fourth Proportional to 124,144.18, 171,305.04 and 73,153.60

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Solution

The fourth proportional to 124,144.18, 171,305.04 and 73,153.60 is: 100,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,144.18 : 171,305.04 = 73,153.60 : x
  2. Step 2: Convert to fraction form
    124,144.18/171,305.04 = 73,153.60/x
  3. Step 3: Cross multiply
    124,144.18x = 171,305.04 × 73,153.60
  4. Step 4: Simplify right side
    124,144.18x = 12,531,580,374.14
  5. Step 5: Solve for x
    x = 12,531,580,374.14/124,144.18
  6. Step 6: Final answer
    x = 100,943.76

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1.5x scale

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.