Home / 143,503.65-215,263.58-43,667.10

Finding the Fourth Proportional to 143,503.65, 215,263.58 and 43,667.10

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Solution

The fourth proportional to 143,503.65, 215,263.58 and 43,667.10 is: 65,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,503.65 : 215,263.58 = 43,667.10 : x
  2. Step 2: Convert to fraction form
    143,503.65/215,263.58 = 43,667.10/x
  3. Step 3: Cross multiply
    143,503.65x = 215,263.58 × 43,667.10
  4. Step 4: Simplify right side
    143,503.65x = 9,399,936,055.88
  5. Step 5: Solve for x
    x = 9,399,936,055.88/143,503.65
  6. Step 6: Final answer
    x = 65,503.11

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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.