Home / 208,895.82-288,282.14-113,408.74

Finding the Fourth Proportional to 208,895.82, 288,282.14 and 113,408.74

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Solution

The fourth proportional to 208,895.82, 288,282.14 and 113,408.74 is: 156,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,895.82 : 288,282.14 = 113,408.74 : x
  2. Step 2: Convert to fraction form
    208,895.82/288,282.14 = 113,408.74/x
  3. Step 3: Cross multiply
    208,895.82x = 288,282.14 × 113,408.74
  4. Step 4: Simplify right side
    208,895.82x = 32,693,714,261.90
  5. Step 5: Solve for x
    x = 32,693,714,261.90/208,895.82
  6. Step 6: Final answer
    x = 156,507.27

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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.