Home / 134,734.41-185,955.53-81,049.05

Finding the Fourth Proportional to 134,734.41, 185,955.53 and 81,049.05

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Solution

The fourth proportional to 134,734.41, 185,955.53 and 81,049.05 is: 111,860.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,734.41 : 185,955.53 = 81,049.05 : x
  2. Step 2: Convert to fraction form
    134,734.41/185,955.53 = 81,049.05/x
  3. Step 3: Cross multiply
    134,734.41x = 185,955.53 × 81,049.05
  4. Step 4: Simplify right side
    134,734.41x = 15,071,518,643.50
  5. Step 5: Solve for x
    x = 15,071,518,643.50/134,734.41
  6. Step 6: Final answer
    x = 111,860.95

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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.