Home / 209,079.07-288,532.62-113,585.84

Finding the Fourth Proportional to 209,079.07, 288,532.62 and 113,585.84

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Solution

The fourth proportional to 209,079.07, 288,532.62 and 113,585.84 is: 156,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,079.07 : 288,532.62 = 113,585.84 : x
  2. Step 2: Convert to fraction form
    209,079.07/288,532.62 = 113,585.84/x
  3. Step 3: Cross multiply
    209,079.07x = 288,532.62 × 113,585.84
  4. Step 4: Simplify right side
    209,079.07x = 32,773,219,004.80
  5. Step 5: Solve for x
    x = 32,773,219,004.80/209,079.07
  6. Step 6: Final answer
    x = 156,750.36

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1.5x scale

Why These Related Problems?

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