Home / 142,464.67-196,592.59-77,921.74

Finding the Fourth Proportional to 142,464.67, 196,592.59 and 77,921.74

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Solution

The fourth proportional to 142,464.67, 196,592.59 and 77,921.74 is: 107,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,464.67 : 196,592.59 = 77,921.74 : x
  2. Step 2: Convert to fraction form
    142,464.67/196,592.59 = 77,921.74/x
  3. Step 3: Cross multiply
    142,464.67x = 196,592.59 × 77,921.74
  4. Step 4: Simplify right side
    142,464.67x = 15,318,835,997.62
  5. Step 5: Solve for x
    x = 15,318,835,997.62/142,464.67
  6. Step 6: Final answer
    x = 107,527.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.