Home / 126,311.48-174,366.56-83,316.32

Finding the Fourth Proportional to 126,311.48, 174,366.56 and 83,316.32

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Solution

The fourth proportional to 126,311.48, 174,366.56 and 83,316.32 is: 115,013.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311.48 : 174,366.56 = 83,316.32 : x
  2. Step 2: Convert to fraction form
    126,311.48/174,366.56 = 83,316.32/x
  3. Step 3: Cross multiply
    126,311.48x = 174,366.56 × 83,316.32
  4. Step 4: Simplify right side
    126,311.48x = 14,527,580,110.26
  5. Step 5: Solve for x
    x = 14,527,580,110.26/126,311.48
  6. Step 6: Final answer
    x = 115,013.93

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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.