Home / 99,102.69-148,676.73-42,952.23

Finding the Fourth Proportional to 99,102.69, 148,676.73 and 42,952.23

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Solution

The fourth proportional to 99,102.69, 148,676.73 and 42,952.23 is: 64,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,102.69 : 148,676.73 = 42,952.23 : x
  2. Step 2: Convert to fraction form
    99,102.69/148,676.73 = 42,952.23/x
  3. Step 3: Cross multiply
    99,102.69x = 148,676.73 × 42,952.23
  4. Step 4: Simplify right side
    99,102.69x = 6,385,997,102.61
  5. Step 5: Solve for x
    x = 6,385,997,102.61/99,102.69
  6. Step 6: Final answer
    x = 64,438.18

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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.