Home / 209,106.30-288,565.89-113,612.16

Finding the Fourth Proportional to 209,106.30, 288,565.89 and 113,612.16

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Solution

The fourth proportional to 209,106.30, 288,565.89 and 113,612.16 is: 156,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,106.30 : 288,565.89 = 113,612.16 : x
  2. Step 2: Convert to fraction form
    209,106.30/288,565.89 = 113,612.16/x
  3. Step 3: Cross multiply
    209,106.30x = 288,565.89 × 113,612.16
  4. Step 4: Simplify right side
    209,106.30x = 32,784,594,065.22
  5. Step 5: Solve for x
    x = 32,784,594,065.22/209,106.30
  6. Step 6: Final answer
    x = 156,784.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.