Home / 187,875.27-259,278.30-107,328.95

Finding the Fourth Proportional to 187,875.27, 259,278.30 and 107,328.95

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Solution

The fourth proportional to 187,875.27, 259,278.30 and 107,328.95 is: 148,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,875.27 : 259,278.30 = 107,328.95 : x
  2. Step 2: Convert to fraction form
    187,875.27/259,278.30 = 107,328.95/x
  3. Step 3: Cross multiply
    187,875.27x = 259,278.30 × 107,328.95
  4. Step 4: Simplify right side
    187,875.27x = 27,828,066,400.39
  5. Step 5: Solve for x
    x = 27,828,066,400.39/187,875.27
  6. Step 6: Final answer
    x = 148,119.90

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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.