Home / 99,769.28-149,697.84-47,216.48

Finding the Fourth Proportional to 99,769.28, 149,697.84 and 47,216.48

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Solution

The fourth proportional to 99,769.28, 149,697.84 and 47,216.48 is: 70,845.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,769.28 : 149,697.84 = 47,216.48 : x
  2. Step 2: Convert to fraction form
    99,769.28/149,697.84 = 47,216.48/x
  3. Step 3: Cross multiply
    99,769.28x = 149,697.84 × 47,216.48
  4. Step 4: Simplify right side
    99,769.28x = 7,068,205,068.40
  5. Step 5: Solve for x
    x = 7,068,205,068.40/99,769.28
  6. Step 6: Final answer
    x = 70,845.51

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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.