Home / 185,641.19-278,417.18-85,705.37

Finding the Fourth Proportional to 185,641.19, 278,417.18 and 85,705.37

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Solution

The fourth proportional to 185,641.19, 278,417.18 and 85,705.37 is: 128,537.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,641.19 : 278,417.18 = 85,705.37 : x
  2. Step 2: Convert to fraction form
    185,641.19/278,417.18 = 85,705.37/x
  3. Step 3: Cross multiply
    185,641.19x = 278,417.18 × 85,705.37
  4. Step 4: Simplify right side
    185,641.19x = 23,861,847,426.26
  5. Step 5: Solve for x
    x = 23,861,847,426.26/185,641.19
  6. Step 6: Final answer
    x = 128,537.46

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