Home / 208,549.02-312,867.27-90,237.18

Finding the Fourth Proportional to 208,549.02, 312,867.27 and 90,237.18

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Solution

The fourth proportional to 208,549.02, 312,867.27 and 90,237.18 is: 135,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,549.02 : 312,867.27 = 90,237.18 : x
  2. Step 2: Convert to fraction form
    208,549.02/312,867.27 = 90,237.18/x
  3. Step 3: Cross multiply
    208,549.02x = 312,867.27 × 90,237.18
  4. Step 4: Simplify right side
    208,549.02x = 28,232,260,159.10
  5. Step 5: Solve for x
    x = 28,232,260,159.10/208,549.02
  6. Step 6: Final answer
    x = 135,374.70

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