Home / 142,741.48-214,122.84-42,893.68

Finding the Fourth Proportional to 142,741.48, 214,122.84 and 42,893.68

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Solution

The fourth proportional to 142,741.48, 214,122.84 and 42,893.68 is: 64,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.48 : 214,122.84 = 42,893.68 : x
  2. Step 2: Convert to fraction form
    142,741.48/214,122.84 = 42,893.68/x
  3. Step 3: Cross multiply
    142,741.48x = 214,122.84 × 42,893.68
  4. Step 4: Simplify right side
    142,741.48x = 9,184,516,579.65
  5. Step 5: Solve for x
    x = 9,184,516,579.65/142,741.48
  6. Step 6: Final answer
    x = 64,343.71

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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.