Home / 134,331.41-185,422.86-83,373.96

Finding the Fourth Proportional to 134,331.41, 185,422.86 and 83,373.96

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Solution

The fourth proportional to 134,331.41, 185,422.86 and 83,373.96 is: 115,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,331.41 : 185,422.86 = 83,373.96 : x
  2. Step 2: Convert to fraction form
    134,331.41/185,422.86 = 83,373.96/x
  3. Step 3: Cross multiply
    134,331.41x = 185,422.86 × 83,373.96
  4. Step 4: Simplify right side
    134,331.41x = 15,459,438,821.19
  5. Step 5: Solve for x
    x = 15,459,438,821.19/134,331.41
  6. Step 6: Final answer
    x = 115,084.32

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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.