Home / 151,120.62-208,533.60-87,462.36

Finding the Fourth Proportional to 151,120.62, 208,533.60 and 87,462.36

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Solution

The fourth proportional to 151,120.62, 208,533.60 and 87,462.36 is: 120,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,120.62 : 208,533.60 = 87,462.36 : x
  2. Step 2: Convert to fraction form
    151,120.62/208,533.60 = 87,462.36/x
  3. Step 3: Cross multiply
    151,120.62x = 208,533.60 × 87,462.36
  4. Step 4: Simplify right side
    151,120.62x = 18,238,840,795.30
  5. Step 5: Solve for x
    x = 18,238,840,795.30/151,120.62
  6. Step 6: Final answer
    x = 120,690.62

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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.