Home / 102,212.86-153,307.18-27,338.80

Finding the Fourth Proportional to 102,212.86, 153,307.18 and 27,338.80

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Solution

The fourth proportional to 102,212.86, 153,307.18 and 27,338.80 is: 41,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,212.86 : 153,307.18 = 27,338.80 : x
  2. Step 2: Convert to fraction form
    102,212.86/153,307.18 = 27,338.80/x
  3. Step 3: Cross multiply
    102,212.86x = 153,307.18 × 27,338.80
  4. Step 4: Simplify right side
    102,212.86x = 4,191,234,332.58
  5. Step 5: Solve for x
    x = 4,191,234,332.58/102,212.86
  6. Step 6: Final answer
    x = 41,004.96

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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.