Home / 148,921.83-223,477.74-54,142.92

Finding the Fourth Proportional to 148,921.83, 223,477.74 and 54,142.92

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Solution

The fourth proportional to 148,921.83, 223,477.74 and 54,142.92 is: 81,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,921.83 : 223,477.74 = 54,142.92 : x
  2. Step 2: Convert to fraction form
    148,921.83/223,477.74 = 54,142.92/x
  3. Step 3: Cross multiply
    148,921.83x = 223,477.74 × 54,142.92
  4. Step 4: Simplify right side
    148,921.83x = 12,099,736,415.31
  5. Step 5: Solve for x
    x = 12,099,736,415.31/148,921.83
  6. Step 6: Final answer
    x = 81,248.91

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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.