Home / 243,258.24-335,693.22-135,830.10

Finding the Fourth Proportional to 243,258.24, 335,693.22 and 135,830.10

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Solution

The fourth proportional to 243,258.24, 335,693.22 and 135,830.10 is: 187,443.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,258.24 : 335,693.22 = 135,830.10 : x
  2. Step 2: Convert to fraction form
    243,258.24/335,693.22 = 135,830.10/x
  3. Step 3: Cross multiply
    243,258.24x = 335,693.22 × 135,830.10
  4. Step 4: Simplify right side
    243,258.24x = 45,597,243,641.92
  5. Step 5: Solve for x
    x = 45,597,243,641.92/243,258.24
  6. Step 6: Final answer
    x = 187,443.78

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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.