Home / 142,919.93-214,360.04-100,095.63

Finding the Fourth Proportional to 142,919.93, 214,360.04 and 100,095.63

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Solution

The fourth proportional to 142,919.93, 214,360.04 and 100,095.63 is: 150,129.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,919.93 : 214,360.04 = 100,095.63 : x
  2. Step 2: Convert to fraction form
    142,919.93/214,360.04 = 100,095.63/x
  3. Step 3: Cross multiply
    142,919.93x = 214,360.04 × 100,095.63
  4. Step 4: Simplify right side
    142,919.93x = 21,456,502,750.15
  5. Step 5: Solve for x
    x = 21,456,502,750.15/142,919.93
  6. Step 6: Final answer
    x = 150,129.54

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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.