Home / 142,988.25-214,476.99-43,145.79

Finding the Fourth Proportional to 142,988.25, 214,476.99 and 43,145.79

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Solution

The fourth proportional to 142,988.25, 214,476.99 and 43,145.79 is: 64,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,988.25 : 214,476.99 = 43,145.79 : x
  2. Step 2: Convert to fraction form
    142,988.25/214,476.99 = 43,145.79/x
  3. Step 3: Cross multiply
    142,988.25x = 214,476.99 × 43,145.79
  4. Step 4: Simplify right side
    142,988.25x = 9,253,779,170.37
  5. Step 5: Solve for x
    x = 9,253,779,170.37/142,988.25
  6. Step 6: Final answer
    x = 64,717.06

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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.