Home / 177,521.45-266,364.50-77,668.47

Finding the Fourth Proportional to 177,521.45, 266,364.50 and 77,668.47

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Solution

The fourth proportional to 177,521.45, 266,364.50 and 77,668.47 is: 116,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,521.45 : 266,364.50 = 77,668.47 : x
  2. Step 2: Convert to fraction form
    177,521.45/266,364.50 = 77,668.47/x
  3. Step 3: Cross multiply
    177,521.45x = 266,364.50 × 77,668.47
  4. Step 4: Simplify right side
    177,521.45x = 20,688,122,788.97
  5. Step 5: Solve for x
    x = 20,688,122,788.97/177,521.45
  6. Step 6: Final answer
    x = 116,538.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.