Home / 88,892.16-133,184.64-47,212.80

Finding the Fourth Proportional to 88,892.16, 133,184.64 and 47,212.80

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Solution

The fourth proportional to 88,892.16, 133,184.64 and 47,212.80 is: 70,737.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892.16 : 133,184.64 = 47,212.80 : x
  2. Step 2: Convert to fraction form
    88,892.16/133,184.64 = 47,212.80/x
  3. Step 3: Cross multiply
    88,892.16x = 133,184.64 × 47,212.80
  4. Step 4: Simplify right side
    88,892.16x = 6,288,019,771.39
  5. Step 5: Solve for x
    x = 6,288,019,771.39/88,892.16
  6. Step 6: Final answer
    x = 70,737.62

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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.