Home / 208,797.47-288,141.29-113,304.18

Finding the Fourth Proportional to 208,797.47, 288,141.29 and 113,304.18

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Solution

The fourth proportional to 208,797.47, 288,141.29 and 113,304.18 is: 156,360.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,797.47 : 288,141.29 = 113,304.18 : x
  2. Step 2: Convert to fraction form
    208,797.47/288,141.29 = 113,304.18/x
  3. Step 3: Cross multiply
    208,797.47x = 288,141.29 × 113,304.18
  4. Step 4: Simplify right side
    208,797.47x = 32,647,612,021.07
  5. Step 5: Solve for x
    x = 32,647,612,021.07/208,797.47
  6. Step 6: Final answer
    x = 156,360.19

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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.