Home / 208,801.56-288,146.91-113,308.23

Finding the Fourth Proportional to 208,801.56, 288,146.91 and 113,308.23

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Solution

The fourth proportional to 208,801.56, 288,146.91 and 113,308.23 is: 156,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,801.56 : 288,146.91 = 113,308.23 : x
  2. Step 2: Convert to fraction form
    208,801.56/288,146.91 = 113,308.23/x
  3. Step 3: Cross multiply
    208,801.56x = 288,146.91 × 113,308.23
  4. Step 4: Simplify right side
    208,801.56x = 32,649,416,352.07
  5. Step 5: Solve for x
    x = 32,649,416,352.07/208,801.56
  6. Step 6: Final answer
    x = 156,365.77

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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.