Home / 142,988.01-214,476.61-43,145.54

Finding the Fourth Proportional to 142,988.01, 214,476.61 and 43,145.54

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Solution

The fourth proportional to 142,988.01, 214,476.61 and 43,145.54 is: 64,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,988.01 : 214,476.61 = 43,145.54 : x
  2. Step 2: Convert to fraction form
    142,988.01/214,476.61 = 43,145.54/x
  3. Step 3: Cross multiply
    142,988.01x = 214,476.61 × 43,145.54
  4. Step 4: Simplify right side
    142,988.01x = 9,253,709,155.82
  5. Step 5: Solve for x
    x = 9,253,709,155.82/142,988.01
  6. Step 6: Final answer
    x = 64,716.68

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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.