Home / 217,331.13-300,062.58-135,783.52

Finding the Fourth Proportional to 217,331.13, 300,062.58 and 135,783.52

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Solution

The fourth proportional to 217,331.13, 300,062.58 and 135,783.52 is: 187,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,331.13 : 300,062.58 = 135,783.52 : x
  2. Step 2: Convert to fraction form
    217,331.13/300,062.58 = 135,783.52/x
  3. Step 3: Cross multiply
    217,331.13x = 300,062.58 × 135,783.52
  4. Step 4: Simplify right side
    217,331.13x = 40,743,553,761.19
  5. Step 5: Solve for x
    x = 40,743,553,761.19/217,331.13
  6. Step 6: Final answer
    x = 187,472.24

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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.