Home / 187,976.43-259,412.63-107,417.07

Finding the Fourth Proportional to 187,976.43, 259,412.63 and 107,417.07

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Solution

The fourth proportional to 187,976.43, 259,412.63 and 107,417.07 is: 148,238.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,976.43 : 259,412.63 = 107,417.07 : x
  2. Step 2: Convert to fraction form
    187,976.43/259,412.63 = 107,417.07/x
  3. Step 3: Cross multiply
    187,976.43x = 259,412.63 × 107,417.07
  4. Step 4: Simplify right side
    187,976.43x = 27,865,344,098.51
  5. Step 5: Solve for x
    x = 27,865,344,098.51/187,976.43
  6. Step 6: Final answer
    x = 148,238.50

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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.