Home / 212,331.58-293,008.73-115,535.81

Finding the Fourth Proportional to 212,331.58, 293,008.73 and 115,535.81

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Solution

The fourth proportional to 212,331.58, 293,008.73 and 115,535.81 is: 159,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,331.58 : 293,008.73 = 115,535.81 : x
  2. Step 2: Convert to fraction form
    212,331.58/293,008.73 = 115,535.81/x
  3. Step 3: Cross multiply
    212,331.58x = 293,008.73 × 115,535.81
  4. Step 4: Simplify right side
    212,331.58x = 33,853,000,957.62
  5. Step 5: Solve for x
    x = 33,853,000,957.62/212,331.58
  6. Step 6: Final answer
    x = 159,434.60

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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.