Home / 187,869.16-259,281.17-107,308.28

Finding the Fourth Proportional to 187,869.16, 259,281.17 and 107,308.28

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Solution

The fourth proportional to 187,869.16, 259,281.17 and 107,308.28 is: 148,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,869.16 : 259,281.17 = 107,308.28 : x
  2. Step 2: Convert to fraction form
    187,869.16/259,281.17 = 107,308.28/x
  3. Step 3: Cross multiply
    187,869.16x = 259,281.17 × 107,308.28
  4. Step 4: Simplify right side
    187,869.16x = 27,823,016,389.09
  5. Step 5: Solve for x
    x = 27,823,016,389.09/187,869.16
  6. Step 6: Final answer
    x = 148,097.84

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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.