Home / 209,117.42-288,583.80-113,624.12

Finding the Fourth Proportional to 209,117.42, 288,583.80 and 113,624.12

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Solution

The fourth proportional to 209,117.42, 288,583.80 and 113,624.12 is: 156,802.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,117.42 : 288,583.80 = 113,624.12 : x
  2. Step 2: Convert to fraction form
    209,117.42/288,583.80 = 113,624.12/x
  3. Step 3: Cross multiply
    209,117.42x = 288,583.80 × 113,624.12
  4. Step 4: Simplify right side
    209,117.42x = 32,790,079,472.69
  5. Step 5: Solve for x
    x = 32,790,079,472.69/209,117.42
  6. Step 6: Final answer
    x = 156,802.24

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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.