Home / 94,357.11-130,214.80-51,915.72

Finding the Fourth Proportional to 94,357.11, 130,214.80 and 51,915.72

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Solution

The fourth proportional to 94,357.11, 130,214.80 and 51,915.72 is: 71,644.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,357.11 : 130,214.80 = 51,915.72 : x
  2. Step 2: Convert to fraction form
    94,357.11/130,214.80 = 51,915.72/x
  3. Step 3: Cross multiply
    94,357.11x = 130,214.80 × 51,915.72
  4. Step 4: Simplify right side
    94,357.11x = 6,760,195,096.66
  5. Step 5: Solve for x
    x = 6,760,195,096.66/94,357.11
  6. Step 6: Final answer
    x = 71,644.79

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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.