Home / 102,778.86-154,045.56-52,882.86

Finding the Fourth Proportional to 102,778.86, 154,045.56 and 52,882.86

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Solution

The fourth proportional to 102,778.86, 154,045.56 and 52,882.86 is: 79,261.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,778.86 : 154,045.56 = 52,882.86 : x
  2. Step 2: Convert to fraction form
    102,778.86/154,045.56 = 52,882.86/x
  3. Step 3: Cross multiply
    102,778.86x = 154,045.56 × 52,882.86
  4. Step 4: Simplify right side
    102,778.86x = 8,146,369,783.10
  5. Step 5: Solve for x
    x = 8,146,369,783.10/102,778.86
  6. Step 6: Final answer
    x = 79,261.14

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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.