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Finding the Fourth Proportional to 90,966.40, 136,475.93 and 37,648.53

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Solution

The fourth proportional to 90,966.40, 136,475.93 and 37,648.53 is: 56,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,966.40 : 136,475.93 = 37,648.53 : x
  2. Step 2: Convert to fraction form
    90,966.40/136,475.93 = 37,648.53/x
  3. Step 3: Cross multiply
    90,966.40x = 136,475.93 × 37,648.53
  4. Step 4: Simplify right side
    90,966.40x = 5,138,118,239.00
  5. Step 5: Solve for x
    x = 5,138,118,239.00/90,966.40
  6. Step 6: Final answer
    x = 56,483.69

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