Home / 208,760.19-288,089.09-113,266.89

Finding the Fourth Proportional to 208,760.19, 288,089.09 and 113,266.89

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Solution

The fourth proportional to 208,760.19, 288,089.09 and 113,266.89 is: 156,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,760.19 : 288,089.09 = 113,266.89 : x
  2. Step 2: Convert to fraction form
    208,760.19/288,089.09 = 113,266.89/x
  3. Step 3: Cross multiply
    208,760.19x = 288,089.09 × 113,266.89
  4. Step 4: Simplify right side
    208,760.19x = 32,630,954,700.90
  5. Step 5: Solve for x
    x = 32,630,954,700.90/208,760.19
  6. Step 6: Final answer
    x = 156,308.32

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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.