Home / 142,600.58-214,111.14-79,543.90

Finding the Fourth Proportional to 142,600.58, 214,111.14 and 79,543.90

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Solution

The fourth proportional to 142,600.58, 214,111.14 and 79,543.90 is: 119,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,600.58 : 214,111.14 = 79,543.90 : x
  2. Step 2: Convert to fraction form
    142,600.58/214,111.14 = 79,543.90/x
  3. Step 3: Cross multiply
    142,600.58x = 214,111.14 × 79,543.90
  4. Step 4: Simplify right side
    142,600.58x = 17,031,233,640.77
  5. Step 5: Solve for x
    x = 17,031,233,640.77/142,600.58
  6. Step 6: Final answer
    x = 119,433.13

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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.