Home / 124,890.53-172,335.60-73,905.89

Finding the Fourth Proportional to 124,890.53, 172,335.60 and 73,905.89

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Solution

The fourth proportional to 124,890.53, 172,335.60 and 73,905.89 is: 101,982.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,890.53 : 172,335.60 = 73,905.89 : x
  2. Step 2: Convert to fraction form
    124,890.53/172,335.60 = 73,905.89/x
  3. Step 3: Cross multiply
    124,890.53x = 172,335.60 × 73,905.89
  4. Step 4: Simplify right side
    124,890.53x = 12,736,615,035.01
  5. Step 5: Solve for x
    x = 12,736,615,035.01/124,890.53
  6. Step 6: Final answer
    x = 101,982.24

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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.