Home / 126,144.18-174,104.19-72,466.02

Finding the Fourth Proportional to 126,144.18, 174,104.19 and 72,466.02

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Solution

The fourth proportional to 126,144.18, 174,104.19 and 72,466.02 is: 100,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,144.18 : 174,104.19 = 72,466.02 : x
  2. Step 2: Convert to fraction form
    126,144.18/174,104.19 = 72,466.02/x
  3. Step 3: Cross multiply
    126,144.18x = 174,104.19 × 72,466.02
  4. Step 4: Simplify right side
    126,144.18x = 12,616,637,714.62
  5. Step 5: Solve for x
    x = 12,616,637,714.62/126,144.18
  6. Step 6: Final answer
    x = 100,017.60

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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.