Home / 94,308.71-130,146.54-51,288.70

Finding the Fourth Proportional to 94,308.71, 130,146.54 and 51,288.70

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Solution

The fourth proportional to 94,308.71, 130,146.54 and 51,288.70 is: 70,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,308.71 : 130,146.54 = 51,288.70 : x
  2. Step 2: Convert to fraction form
    94,308.71/130,146.54 = 51,288.70/x
  3. Step 3: Cross multiply
    94,308.71x = 130,146.54 × 51,288.70
  4. Step 4: Simplify right side
    94,308.71x = 6,675,046,195.37
  5. Step 5: Solve for x
    x = 6,675,046,195.37/94,308.71
  6. Step 6: Final answer
    x = 70,778.69

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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.