Home / 242,534.31-334,707.69-135,104.41

Finding the Fourth Proportional to 242,534.31, 334,707.69 and 135,104.41

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Solution

The fourth proportional to 242,534.31, 334,707.69 and 135,104.41 is: 186,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,534.31 : 334,707.69 = 135,104.41 : x
  2. Step 2: Convert to fraction form
    242,534.31/334,707.69 = 135,104.41/x
  3. Step 3: Cross multiply
    242,534.31x = 334,707.69 × 135,104.41
  4. Step 4: Simplify right side
    242,534.31x = 45,220,484,979.91
  5. Step 5: Solve for x
    x = 45,220,484,979.91/242,534.31
  6. Step 6: Final answer
    x = 186,449.85

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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.