Home / 208,856.46-288,214.16-113,361.10

Finding the Fourth Proportional to 208,856.46, 288,214.16 and 113,361.10

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Solution

The fourth proportional to 208,856.46, 288,214.16 and 113,361.10 is: 156,434.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.46 : 288,214.16 = 113,361.10 : x
  2. Step 2: Convert to fraction form
    208,856.46/288,214.16 = 113,361.10/x
  3. Step 3: Cross multiply
    208,856.46x = 288,214.16 × 113,361.10
  4. Step 4: Simplify right side
    208,856.46x = 32,672,274,213.18
  5. Step 5: Solve for x
    x = 32,672,274,213.18/208,856.46
  6. Step 6: Final answer
    x = 156,434.11

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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.