Home / 99,828.24-149,783.40-47,223.60

Finding the Fourth Proportional to 99,828.24, 149,783.40 and 47,223.60

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Solution

The fourth proportional to 99,828.24, 149,783.40 and 47,223.60 is: 70,854.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,828.24 : 149,783.40 = 47,223.60 : x
  2. Step 2: Convert to fraction form
    99,828.24/149,783.40 = 47,223.60/x
  3. Step 3: Cross multiply
    99,828.24x = 149,783.40 × 47,223.60
  4. Step 4: Simplify right side
    99,828.24x = 7,073,311,368.24
  5. Step 5: Solve for x
    x = 7,073,311,368.24/99,828.24
  6. Step 6: Final answer
    x = 70,854.81

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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.