Home / 136,285.88-204,437.01-42,791.63

Finding the Fourth Proportional to 136,285.88, 204,437.01 and 42,791.63

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Solution

The fourth proportional to 136,285.88, 204,437.01 and 42,791.63 is: 64,190.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,285.88 : 204,437.01 = 42,791.63 : x
  2. Step 2: Convert to fraction form
    136,285.88/204,437.01 = 42,791.63/x
  3. Step 3: Cross multiply
    136,285.88x = 204,437.01 × 42,791.63
  4. Step 4: Simplify right side
    136,285.88x = 8,748,192,028.51
  5. Step 5: Solve for x
    x = 8,748,192,028.51/136,285.88
  6. Step 6: Final answer
    x = 64,190.01

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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.