Home / 243,001.50-335,342.27-135,571.55

Finding the Fourth Proportional to 243,001.50, 335,342.27 and 135,571.55

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Solution

The fourth proportional to 243,001.50, 335,342.27 and 135,571.55 is: 187,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,001.50 : 335,342.27 = 135,571.55 : x
  2. Step 2: Convert to fraction form
    243,001.50/335,342.27 = 135,571.55/x
  3. Step 3: Cross multiply
    243,001.50x = 335,342.27 × 135,571.55
  4. Step 4: Simplify right side
    243,001.50x = 45,462,871,324.42
  5. Step 5: Solve for x
    x = 45,462,871,324.42/243,001.50
  6. Step 6: Final answer
    x = 187,088.85

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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.