Home / 243,002.50-335,343.66-135,572.56

Finding the Fourth Proportional to 243,002.50, 335,343.66 and 135,572.56

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Solution

The fourth proportional to 243,002.50, 335,343.66 and 135,572.56 is: 187,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,002.50 : 335,343.66 = 135,572.56 : x
  2. Step 2: Convert to fraction form
    243,002.50/335,343.66 = 135,572.56/x
  3. Step 3: Cross multiply
    243,002.50x = 335,343.66 × 135,572.56
  4. Step 4: Simplify right side
    243,002.50x = 45,463,398,465.97
  5. Step 5: Solve for x
    x = 45,463,398,465.97/243,002.50
  6. Step 6: Final answer
    x = 187,090.25

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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.