Home / 88,944.28-133,569.06-78,971.56

Finding the Fourth Proportional to 88,944.28, 133,569.06 and 78,971.56

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Solution

The fourth proportional to 88,944.28, 133,569.06 and 78,971.56 is: 118,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,944.28 : 133,569.06 = 78,971.56 : x
  2. Step 2: Convert to fraction form
    88,944.28/133,569.06 = 78,971.56/x
  3. Step 3: Cross multiply
    88,944.28x = 133,569.06 × 78,971.56
  4. Step 4: Simplify right side
    88,944.28x = 10,548,157,035.93
  5. Step 5: Solve for x
    x = 10,548,157,035.93/88,944.28
  6. Step 6: Final answer
    x = 118,592.87

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1.5x scale

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.