Home / 243,158.36-335,557.62-135,727.45

Finding the Fourth Proportional to 243,158.36, 335,557.62 and 135,727.45

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Solution

The fourth proportional to 243,158.36, 335,557.62 and 135,727.45 is: 187,303.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,158.36 : 335,557.62 = 135,727.45 : x
  2. Step 2: Convert to fraction form
    243,158.36/335,557.62 = 135,727.45/x
  3. Step 3: Cross multiply
    243,158.36x = 335,557.62 × 135,727.45
  4. Step 4: Simplify right side
    243,158.36x = 45,544,379,251.78
  5. Step 5: Solve for x
    x = 45,544,379,251.78/243,158.36
  6. Step 6: Final answer
    x = 187,303.37

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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.