Home / 99,911.04-149,896.53-42,235.62

Finding the Fourth Proportional to 99,911.04, 149,896.53 and 42,235.62

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Solution

The fourth proportional to 99,911.04, 149,896.53 and 42,235.62 is: 63,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,911.04 : 149,896.53 = 42,235.62 : x
  2. Step 2: Convert to fraction form
    99,911.04/149,896.53 = 42,235.62/x
  3. Step 3: Cross multiply
    99,911.04x = 149,896.53 × 42,235.62
  4. Step 4: Simplify right side
    99,911.04x = 6,330,972,880.40
  5. Step 5: Solve for x
    x = 6,330,972,880.40/99,911.04
  6. Step 6: Final answer
    x = 63,366.10

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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.