Home / 99,903.04-149,928.30-47,312.44

Finding the Fourth Proportional to 99,903.04, 149,928.30 and 47,312.44

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Solution

The fourth proportional to 99,903.04, 149,928.30 and 47,312.44 is: 71,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,903.04 : 149,928.30 = 47,312.44 : x
  2. Step 2: Convert to fraction form
    99,903.04/149,928.30 = 47,312.44/x
  3. Step 3: Cross multiply
    99,903.04x = 149,928.30 × 47,312.44
  4. Step 4: Simplify right side
    99,903.04x = 7,093,473,698.05
  5. Step 5: Solve for x
    x = 7,093,473,698.05/99,903.04
  6. Step 6: Final answer
    x = 71,003.58

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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.