Home / 208,882.17-288,257.76-113,388.93

Finding the Fourth Proportional to 208,882.17, 288,257.76 and 113,388.93

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Solution

The fourth proportional to 208,882.17, 288,257.76 and 113,388.93 is: 156,476.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,882.17 : 288,257.76 = 113,388.93 : x
  2. Step 2: Convert to fraction form
    208,882.17/288,257.76 = 113,388.93/x
  3. Step 3: Cross multiply
    208,882.17x = 288,257.76 × 113,388.93
  4. Step 4: Simplify right side
    208,882.17x = 32,685,238,970.60
  5. Step 5: Solve for x
    x = 32,685,238,970.60/208,882.17
  6. Step 6: Final answer
    x = 156,476.92

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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.