Home / 242,537.44-334,707.52-135,109.20

Finding the Fourth Proportional to 242,537.44, 334,707.52 and 135,109.20

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Solution

The fourth proportional to 242,537.44, 334,707.52 and 135,109.20 is: 186,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,537.44 : 334,707.52 = 135,109.20 : x
  2. Step 2: Convert to fraction form
    242,537.44/334,707.52 = 135,109.20/x
  3. Step 3: Cross multiply
    242,537.44x = 334,707.52 × 135,109.20
  4. Step 4: Simplify right side
    242,537.44x = 45,222,065,261.18
  5. Step 5: Solve for x
    x = 45,222,065,261.18/242,537.44
  6. Step 6: Final answer
    x = 186,453.96

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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.