Home / 142,595.30-214,103.22-79,538.63

Finding the Fourth Proportional to 142,595.30, 214,103.22 and 79,538.63

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Solution

The fourth proportional to 142,595.30, 214,103.22 and 79,538.63 is: 119,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,595.30 : 214,103.22 = 79,538.63 : x
  2. Step 2: Convert to fraction form
    142,595.30/214,103.22 = 79,538.63/x
  3. Step 3: Cross multiply
    142,595.30x = 214,103.22 × 79,538.63
  4. Step 4: Simplify right side
    142,595.30x = 17,029,475,428.60
  5. Step 5: Solve for x
    x = 17,029,475,428.60/142,595.30
  6. Step 6: Final answer
    x = 119,425.22

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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.