Home / 89,243.28-133,929.76-71,922.24

Finding the Fourth Proportional to 89,243.28, 133,929.76 and 71,922.24

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Solution

The fourth proportional to 89,243.28, 133,929.76 and 71,922.24 is: 107,935.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,243.28 : 133,929.76 = 71,922.24 : x
  2. Step 2: Convert to fraction form
    89,243.28/133,929.76 = 71,922.24/x
  3. Step 3: Cross multiply
    89,243.28x = 133,929.76 × 71,922.24
  4. Step 4: Simplify right side
    89,243.28x = 9,632,528,341.86
  5. Step 5: Solve for x
    x = 9,632,528,341.86/89,243.28
  6. Step 6: Final answer
    x = 107,935.62

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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.