Home / 141,667.80-212,501.70-133,357.20

Finding the Fourth Proportional to 141,667.80, 212,501.70 and 133,357.20

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Solution

The fourth proportional to 141,667.80, 212,501.70 and 133,357.20 is: 200,035.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,667.80 : 212,501.70 = 133,357.20 : x
  2. Step 2: Convert to fraction form
    141,667.80/212,501.70 = 133,357.20/x
  3. Step 3: Cross multiply
    141,667.80x = 212,501.70 × 133,357.20
  4. Step 4: Simplify right side
    141,667.80x = 28,338,631,707.24
  5. Step 5: Solve for x
    x = 28,338,631,707.24/141,667.80
  6. Step 6: Final answer
    x = 200,035.80

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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.