Home / 126,802.56-190,180.80-38,035.20

Finding the Fourth Proportional to 126,802.56, 190,180.80 and 38,035.20

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Solution

The fourth proportional to 126,802.56, 190,180.80 and 38,035.20 is: 57,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,802.56 : 190,180.80 = 38,035.20 : x
  2. Step 2: Convert to fraction form
    126,802.56/190,180.80 = 38,035.20/x
  3. Step 3: Cross multiply
    126,802.56x = 190,180.80 × 38,035.20
  4. Step 4: Simplify right side
    126,802.56x = 7,233,564,764.16
  5. Step 5: Solve for x
    x = 7,233,564,764.16/126,802.56
  6. Step 6: Final answer
    x = 57,045.89

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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.