Home / 142,799.40-214,171.56-105,008.04

Finding the Fourth Proportional to 142,799.40, 214,171.56 and 105,008.04

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Solution

The fourth proportional to 142,799.40, 214,171.56 and 105,008.04 is: 157,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,799.40 : 214,171.56 = 105,008.04 : x
  2. Step 2: Convert to fraction form
    142,799.40/214,171.56 = 105,008.04/x
  3. Step 3: Cross multiply
    142,799.40x = 214,171.56 × 105,008.04
  4. Step 4: Simplify right side
    142,799.40x = 22,489,735,739.34
  5. Step 5: Solve for x
    x = 22,489,735,739.34/142,799.40
  6. Step 6: Final answer
    x = 157,491.81

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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.