Home / 187,870.20-259,264.02-101,831.92

Finding the Fourth Proportional to 187,870.20, 259,264.02 and 101,831.92

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Solution

The fourth proportional to 187,870.20, 259,264.02 and 101,831.92 is: 140,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,870.20 : 259,264.02 = 101,831.92 : x
  2. Step 2: Convert to fraction form
    187,870.20/259,264.02 = 101,831.92/x
  3. Step 3: Cross multiply
    187,870.20x = 259,264.02 × 101,831.92
  4. Step 4: Simplify right side
    187,870.20x = 26,401,352,943.52
  5. Step 5: Solve for x
    x = 26,401,352,943.52/187,870.20
  6. Step 6: Final answer
    x = 140,529.75

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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.