Home / 230,712.18-318,390.39-133,908.54

Finding the Fourth Proportional to 230,712.18, 318,390.39 and 133,908.54

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Solution

The fourth proportional to 230,712.18, 318,390.39 and 133,908.54 is: 184,798.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,712.18 : 318,390.39 = 133,908.54 : x
  2. Step 2: Convert to fraction form
    230,712.18/318,390.39 = 133,908.54/x
  3. Step 3: Cross multiply
    230,712.18x = 318,390.39 × 133,908.54
  4. Step 4: Simplify right side
    230,712.18x = 42,635,192,274.93
  5. Step 5: Solve for x
    x = 42,635,192,274.93/230,712.18
  6. Step 6: Final answer
    x = 184,798.19

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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.