Home / 126,356.56-174,330.07-83,357.40

Finding the Fourth Proportional to 126,356.56, 174,330.07 and 83,357.40

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Solution

The fourth proportional to 126,356.56, 174,330.07 and 83,357.40 is: 115,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356.56 : 174,330.07 = 83,357.40 : x
  2. Step 2: Convert to fraction form
    126,356.56/174,330.07 = 83,357.40/x
  3. Step 3: Cross multiply
    126,356.56x = 174,330.07 × 83,357.40
  4. Step 4: Simplify right side
    126,356.56x = 14,531,702,291.25
  5. Step 5: Solve for x
    x = 14,531,702,291.25/126,356.56
  6. Step 6: Final answer
    x = 115,005.53

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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.