Home / 242,513.38-334,678.62-135,083.26

Finding the Fourth Proportional to 242,513.38, 334,678.62 and 135,083.26

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Solution

The fourth proportional to 242,513.38, 334,678.62 and 135,083.26 is: 186,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,513.38 : 334,678.62 = 135,083.26 : x
  2. Step 2: Convert to fraction form
    242,513.38/334,678.62 = 135,083.26/x
  3. Step 3: Cross multiply
    242,513.38x = 334,678.62 × 135,083.26
  4. Step 4: Simplify right side
    242,513.38x = 45,209,479,041.90
  5. Step 5: Solve for x
    x = 45,209,479,041.90/242,513.38
  6. Step 6: Final answer
    x = 186,420.56

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1.5x scale

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.