Home / 187,221.94-258,366.10-101,180.87

Finding the Fourth Proportional to 187,221.94, 258,366.10 and 101,180.87

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Solution

The fourth proportional to 187,221.94, 258,366.10 and 101,180.87 is: 139,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,221.94 : 258,366.10 = 101,180.87 : x
  2. Step 2: Convert to fraction form
    187,221.94/258,366.10 = 101,180.87/x
  3. Step 3: Cross multiply
    187,221.94x = 258,366.10 × 101,180.87
  4. Step 4: Simplify right side
    187,221.94x = 26,141,706,776.51
  5. Step 5: Solve for x
    x = 26,141,706,776.51/187,221.94
  6. Step 6: Final answer
    x = 139,629.50

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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.