Home / 230,660.06-318,318.76-133,856.45

Finding the Fourth Proportional to 230,660.06, 318,318.76 and 133,856.45

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Solution

The fourth proportional to 230,660.06, 318,318.76 and 133,856.45 is: 184,726.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,660.06 : 318,318.76 = 133,856.45 : x
  2. Step 2: Convert to fraction form
    230,660.06/318,318.76 = 133,856.45/x
  3. Step 3: Cross multiply
    230,660.06x = 318,318.76 × 133,856.45
  4. Step 4: Simplify right side
    230,660.06x = 42,609,018,951.42
  5. Step 5: Solve for x
    x = 42,609,018,951.42/230,660.06
  6. Step 6: Final answer
    x = 184,726.48

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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.