Home / 104,475.20-144,237.30-63,654.72

Finding the Fourth Proportional to 104,475.20, 144,237.30 and 63,654.72

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Solution

The fourth proportional to 104,475.20, 144,237.30 and 63,654.72 is: 87,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.20 : 144,237.30 = 63,654.72 : x
  2. Step 2: Convert to fraction form
    104,475.20/144,237.30 = 63,654.72/x
  3. Step 3: Cross multiply
    104,475.20x = 144,237.30 × 63,654.72
  4. Step 4: Simplify right side
    104,475.20x = 9,181,384,945.06
  5. Step 5: Solve for x
    x = 9,181,384,945.06/104,475.20
  6. Step 6: Final answer
    x = 87,881.00

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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.