Home / 94,278.72-130,106.88-51,840

Finding the Fourth Proportional to 94,278.72, 130,106.88 and 51,840

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Solution

The fourth proportional to 94,278.72, 130,106.88 and 51,840 is: 71,540.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,278.72 : 130,106.88 = 51,840 : x
  2. Step 2: Convert to fraction form
    94,278.72/130,106.88 = 51,840/x
  3. Step 3: Cross multiply
    94,278.72x = 130,106.88 × 51,840
  4. Step 4: Simplify right side
    94,278.72x = 6,744,740,659.20
  5. Step 5: Solve for x
    x = 6,744,740,659.20/94,278.72
  6. Step 6: Final answer
    x = 71,540.44

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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.