Home / 212,565.14-293,333.90-115,766.81

Finding the Fourth Proportional to 212,565.14, 293,333.90 and 115,766.81

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Solution

The fourth proportional to 212,565.14, 293,333.90 and 115,766.81 is: 159,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,565.14 : 293,333.90 = 115,766.81 : x
  2. Step 2: Convert to fraction form
    212,565.14/293,333.90 = 115,766.81/x
  3. Step 3: Cross multiply
    212,565.14x = 293,333.90 × 115,766.81
  4. Step 4: Simplify right side
    212,565.14x = 33,958,327,822.36
  5. Step 5: Solve for x
    x = 33,958,327,822.36/212,565.14
  6. Step 6: Final answer
    x = 159,754.93

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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.