Home / 99,286.16-148,928.88-43,118.96

Finding the Fourth Proportional to 99,286.16, 148,928.88 and 43,118.96

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Solution

The fourth proportional to 99,286.16, 148,928.88 and 43,118.96 is: 64,678.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.16 : 148,928.88 = 43,118.96 : x
  2. Step 2: Convert to fraction form
    99,286.16/148,928.88 = 43,118.96/x
  3. Step 3: Cross multiply
    99,286.16x = 148,928.88 × 43,118.96
  4. Step 4: Simplify right side
    99,286.16x = 6,421,658,419.56
  5. Step 5: Solve for x
    x = 6,421,658,419.56/99,286.16
  6. Step 6: Final answer
    x = 64,678.28

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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.