Home / 187,275.36-258,376.69-106,645.71

Finding the Fourth Proportional to 187,275.36, 258,376.69 and 106,645.71

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Solution

The fourth proportional to 187,275.36, 258,376.69 and 106,645.71 is: 147,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.36 : 258,376.69 = 106,645.71 : x
  2. Step 2: Convert to fraction form
    187,275.36/258,376.69 = 106,645.71/x
  3. Step 3: Cross multiply
    187,275.36x = 258,376.69 × 106,645.71
  4. Step 4: Simplify right side
    187,275.36x = 27,554,765,552.50
  5. Step 5: Solve for x
    x = 27,554,765,552.50/187,275.36
  6. Step 6: Final answer
    x = 147,135.03

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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.