Home / 280,507.13-387,047.73-159,641.23

Finding the Fourth Proportional to 280,507.13, 387,047.73 and 159,641.23

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Solution

The fourth proportional to 280,507.13, 387,047.73 and 159,641.23 is: 220,275.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,507.13 : 387,047.73 = 159,641.23 : x
  2. Step 2: Convert to fraction form
    280,507.13/387,047.73 = 159,641.23/x
  3. Step 3: Cross multiply
    280,507.13x = 387,047.73 × 159,641.23
  4. Step 4: Simplify right side
    280,507.13x = 61,788,775,685.91
  5. Step 5: Solve for x
    x = 61,788,775,685.91/280,507.13
  6. Step 6: Final answer
    x = 220,275.24

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