Home / 103,420.96-155,178.23-52,793.83

Finding the Fourth Proportional to 103,420.96, 155,178.23 and 52,793.83

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Solution

The fourth proportional to 103,420.96, 155,178.23 and 52,793.83 is: 79,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,420.96 : 155,178.23 = 52,793.83 : x
  2. Step 2: Convert to fraction form
    103,420.96/155,178.23 = 52,793.83/x
  3. Step 3: Cross multiply
    103,420.96x = 155,178.23 × 52,793.83
  4. Step 4: Simplify right side
    103,420.96x = 8,192,453,094.32
  5. Step 5: Solve for x
    x = 8,192,453,094.32/103,420.96
  6. Step 6: Final answer
    x = 79,214.63

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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.