Home / 156,877.20-235,445.40-72,766.80

Finding the Fourth Proportional to 156,877.20, 235,445.40 and 72,766.80

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Solution

The fourth proportional to 156,877.20, 235,445.40 and 72,766.80 is: 109,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,877.20 : 235,445.40 = 72,766.80 : x
  2. Step 2: Convert to fraction form
    156,877.20/235,445.40 = 72,766.80/x
  3. Step 3: Cross multiply
    156,877.20x = 235,445.40 × 72,766.80
  4. Step 4: Simplify right side
    156,877.20x = 17,132,608,332.72
  5. Step 5: Solve for x
    x = 17,132,608,332.72/156,877.20
  6. Step 6: Final answer
    x = 109,210.31

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