Home / 91,590.02-126,455.90-57,187.13

Finding the Fourth Proportional to 91,590.02, 126,455.90 and 57,187.13

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Solution

The fourth proportional to 91,590.02, 126,455.90 and 57,187.13 is: 78,956.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,590.02 : 126,455.90 = 57,187.13 : x
  2. Step 2: Convert to fraction form
    91,590.02/126,455.90 = 57,187.13/x
  3. Step 3: Cross multiply
    91,590.02x = 126,455.90 × 57,187.13
  4. Step 4: Simplify right side
    91,590.02x = 7,231,650,107.34
  5. Step 5: Solve for x
    x = 7,231,650,107.34/91,590.02
  6. Step 6: Final answer
    x = 78,956.74

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