Home / 142,919.78-214,343.78-58,703.19

Finding the Fourth Proportional to 142,919.78, 214,343.78 and 58,703.19

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Solution

The fourth proportional to 142,919.78, 214,343.78 and 58,703.19 is: 88,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,919.78 : 214,343.78 = 58,703.19 : x
  2. Step 2: Convert to fraction form
    142,919.78/214,343.78 = 58,703.19/x
  3. Step 3: Cross multiply
    142,919.78x = 214,343.78 × 58,703.19
  4. Step 4: Simplify right side
    142,919.78x = 12,582,663,349.14
  5. Step 5: Solve for x
    x = 12,582,663,349.14/142,919.78
  6. Step 6: Final answer
    x = 88,040.04

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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.