Home / 126,752.34-190,122.74-42,506.03

Finding the Fourth Proportional to 126,752.34, 190,122.74 and 42,506.03

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Solution

The fourth proportional to 126,752.34, 190,122.74 and 42,506.03 is: 63,757.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,752.34 : 190,122.74 = 42,506.03 : x
  2. Step 2: Convert to fraction form
    126,752.34/190,122.74 = 42,506.03/x
  3. Step 3: Cross multiply
    126,752.34x = 190,122.74 × 42,506.03
  4. Step 4: Simplify right side
    126,752.34x = 8,081,361,726.98
  5. Step 5: Solve for x
    x = 8,081,361,726.98/126,752.34
  6. Step 6: Final answer
    x = 63,757.10

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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.