Home / 243,036.25-335,406.22-135,608.58

Finding the Fourth Proportional to 243,036.25, 335,406.22 and 135,608.58

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Solution

The fourth proportional to 243,036.25, 335,406.22 and 135,608.58 is: 187,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,036.25 : 335,406.22 = 135,608.58 : x
  2. Step 2: Convert to fraction form
    243,036.25/335,406.22 = 135,608.58/x
  3. Step 3: Cross multiply
    243,036.25x = 335,406.22 × 135,608.58
  4. Step 4: Simplify right side
    243,036.25x = 45,483,960,878.35
  5. Step 5: Solve for x
    x = 45,483,960,878.35/243,036.25
  6. Step 6: Final answer
    x = 187,148.88

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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.