Home / 208,989.44-288,405.36-113,496.16

Finding the Fourth Proportional to 208,989.44, 288,405.36 and 113,496.16

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Solution

The fourth proportional to 208,989.44, 288,405.36 and 113,496.16 is: 156,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,989.44 : 288,405.36 = 113,496.16 : x
  2. Step 2: Convert to fraction form
    208,989.44/288,405.36 = 113,496.16/x
  3. Step 3: Cross multiply
    208,989.44x = 288,405.36 × 113,496.16
  4. Step 4: Simplify right side
    208,989.44x = 32,732,900,883.42
  5. Step 5: Solve for x
    x = 32,732,900,883.42/208,989.44
  6. Step 6: Final answer
    x = 156,624.66

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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.