Home / 187,227.72-258,374.03-101,186.64

Finding the Fourth Proportional to 187,227.72, 258,374.03 and 101,186.64

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Solution

The fourth proportional to 187,227.72, 258,374.03 and 101,186.64 is: 139,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,227.72 : 258,374.03 = 101,186.64 : x
  2. Step 2: Convert to fraction form
    187,227.72/258,374.03 = 101,186.64/x
  3. Step 3: Cross multiply
    187,227.72x = 258,374.03 × 101,186.64
  4. Step 4: Simplify right side
    187,227.72x = 26,143,999,453.03
  5. Step 5: Solve for x
    x = 26,143,999,453.03/187,227.72
  6. Step 6: Final answer
    x = 139,637.44

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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.