Home / 209,312.12-288,856.20-113,824.40

Finding the Fourth Proportional to 209,312.12, 288,856.20 and 113,824.40

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Solution

The fourth proportional to 209,312.12, 288,856.20 and 113,824.40 is: 157,080.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,312.12 : 288,856.20 = 113,824.40 : x
  2. Step 2: Convert to fraction form
    209,312.12/288,856.20 = 113,824.40/x
  3. Step 3: Cross multiply
    209,312.12x = 288,856.20 × 113,824.40
  4. Step 4: Simplify right side
    209,312.12x = 32,878,883,651.28
  5. Step 5: Solve for x
    x = 32,878,883,651.28/209,312.12
  6. Step 6: Final answer
    x = 157,080.65

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