Home / 94,311.28-130,153.28-51,873.76

Finding the Fourth Proportional to 94,311.28, 130,153.28 and 51,873.76

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Solution

The fourth proportional to 94,311.28, 130,153.28 and 51,873.76 is: 71,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,311.28 : 130,153.28 = 51,873.76 : x
  2. Step 2: Convert to fraction form
    94,311.28/130,153.28 = 51,873.76/x
  3. Step 3: Cross multiply
    94,311.28x = 130,153.28 × 51,873.76
  4. Step 4: Simplify right side
    94,311.28x = 6,751,540,009.93
  5. Step 5: Solve for x
    x = 6,751,540,009.93/94,311.28
  6. Step 6: Final answer
    x = 71,587.83

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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.