Home / 142,924.42-214,341.65-51,728.05

Finding the Fourth Proportional to 142,924.42, 214,341.65 and 51,728.05

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Solution

The fourth proportional to 142,924.42, 214,341.65 and 51,728.05 is: 77,575.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,924.42 : 214,341.65 = 51,728.05 : x
  2. Step 2: Convert to fraction form
    142,924.42/214,341.65 = 51,728.05/x
  3. Step 3: Cross multiply
    142,924.42x = 214,341.65 × 51,728.05
  4. Step 4: Simplify right side
    142,924.42x = 11,087,474,257.93
  5. Step 5: Solve for x
    x = 11,087,474,257.93/142,924.42
  6. Step 6: Final answer
    x = 77,575.79

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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.