Home / 208,851.53-288,207.39-113,356.18

Finding the Fourth Proportional to 208,851.53, 288,207.39 and 113,356.18

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Solution

The fourth proportional to 208,851.53, 288,207.39 and 113,356.18 is: 156,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,851.53 : 288,207.39 = 113,356.18 : x
  2. Step 2: Convert to fraction form
    208,851.53/288,207.39 = 113,356.18/x
  3. Step 3: Cross multiply
    208,851.53x = 288,207.39 × 113,356.18
  4. Step 4: Simplify right side
    208,851.53x = 32,670,088,778.17
  5. Step 5: Solve for x
    x = 32,670,088,778.17/208,851.53
  6. Step 6: Final answer
    x = 156,427.34

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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.