Home / 126,822.22-190,247.91-74,232.16

Finding the Fourth Proportional to 126,822.22, 190,247.91 and 74,232.16

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Solution

The fourth proportional to 126,822.22, 190,247.91 and 74,232.16 is: 111,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,822.22 : 190,247.91 = 74,232.16 : x
  2. Step 2: Convert to fraction form
    126,822.22/190,247.91 = 74,232.16/x
  3. Step 3: Cross multiply
    126,822.22x = 190,247.91 × 74,232.16
  4. Step 4: Simplify right side
    126,822.22x = 14,122,513,294.79
  5. Step 5: Solve for x
    x = 14,122,513,294.79/126,822.22
  6. Step 6: Final answer
    x = 111,356.77

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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.