Home / 87,148.31-130,392.59-51,628.70

Finding the Fourth Proportional to 87,148.31, 130,392.59 and 51,628.70

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Solution

The fourth proportional to 87,148.31, 130,392.59 and 51,628.70 is: 77,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,148.31 : 130,392.59 = 51,628.70 : x
  2. Step 2: Convert to fraction form
    87,148.31/130,392.59 = 51,628.70/x
  3. Step 3: Cross multiply
    87,148.31x = 130,392.59 × 51,628.70
  4. Step 4: Simplify right side
    87,148.31x = 6,731,999,001.23
  5. Step 5: Solve for x
    x = 6,731,999,001.23/87,148.31
  6. Step 6: Final answer
    x = 77,247.61

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