Home / 126,929.19-190,355.43-38,159.13

Finding the Fourth Proportional to 126,929.19, 190,355.43 and 38,159.13

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Solution

The fourth proportional to 126,929.19, 190,355.43 and 38,159.13 is: 57,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,929.19 : 190,355.43 = 38,159.13 : x
  2. Step 2: Convert to fraction form
    126,929.19/190,355.43 = 38,159.13/x
  3. Step 3: Cross multiply
    126,929.19x = 190,355.43 × 38,159.13
  4. Step 4: Simplify right side
    126,929.19x = 7,263,797,599.58
  5. Step 5: Solve for x
    x = 7,263,797,599.58/126,929.19
  6. Step 6: Final answer
    x = 57,227.16

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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.