Home / 136,165.06-187,775.85-90,844.89

Finding the Fourth Proportional to 136,165.06, 187,775.85 and 90,844.89

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Solution

The fourth proportional to 136,165.06, 187,775.85 and 90,844.89 is: 125,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,165.06 : 187,775.85 = 90,844.89 : x
  2. Step 2: Convert to fraction form
    136,165.06/187,775.85 = 90,844.89/x
  3. Step 3: Cross multiply
    136,165.06x = 187,775.85 × 90,844.89
  4. Step 4: Simplify right side
    136,165.06x = 17,058,476,437.91
  5. Step 5: Solve for x
    x = 17,058,476,437.91/136,165.06
  6. Step 6: Final answer
    x = 125,277.93

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1.5x scale

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.