Home / 143,307.04-215,046.96-49,878.40

Finding the Fourth Proportional to 143,307.04, 215,046.96 and 49,878.40

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Solution

The fourth proportional to 143,307.04, 215,046.96 and 49,878.40 is: 74,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,307.04 : 215,046.96 = 49,878.40 : x
  2. Step 2: Convert to fraction form
    143,307.04/215,046.96 = 49,878.40/x
  3. Step 3: Cross multiply
    143,307.04x = 215,046.96 × 49,878.40
  4. Step 4: Simplify right side
    143,307.04x = 10,726,198,289.66
  5. Step 5: Solve for x
    x = 10,726,198,289.66/143,307.04
  6. Step 6: Final answer
    x = 74,847.67

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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.