Home / 210,177.38-315,232.21-60,383.53

Finding the Fourth Proportional to 210,177.38, 315,232.21 and 60,383.53

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Solution

The fourth proportional to 210,177.38, 315,232.21 and 60,383.53 is: 90,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,177.38 : 315,232.21 = 60,383.53 : x
  2. Step 2: Convert to fraction form
    210,177.38/315,232.21 = 60,383.53/x
  3. Step 3: Cross multiply
    210,177.38x = 315,232.21 × 60,383.53
  4. Step 4: Simplify right side
    210,177.38x = 19,034,831,966.18
  5. Step 5: Solve for x
    x = 19,034,831,966.18/210,177.38
  6. Step 6: Final answer
    x = 90,565.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.