Home / 212,380.81-293,079.96-115,586.60

Finding the Fourth Proportional to 212,380.81, 293,079.96 and 115,586.60

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Solution

The fourth proportional to 212,380.81, 293,079.96 and 115,586.60 is: 159,506.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,380.81 : 293,079.96 = 115,586.60 : x
  2. Step 2: Convert to fraction form
    212,380.81/293,079.96 = 115,586.60/x
  3. Step 3: Cross multiply
    212,380.81x = 293,079.96 × 115,586.60
  4. Step 4: Simplify right side
    212,380.81x = 33,876,114,639.14
  5. Step 5: Solve for x
    x = 33,876,114,639.14/212,380.81
  6. Step 6: Final answer
    x = 159,506.48

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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.