Home / 187,384.40-281,206.20-134,831.60

Finding the Fourth Proportional to 187,384.40, 281,206.20 and 134,831.60

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Solution

The fourth proportional to 187,384.40, 281,206.20 and 134,831.60 is: 202,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,384.40 : 281,206.20 = 134,831.60 : x
  2. Step 2: Convert to fraction form
    187,384.40/281,206.20 = 134,831.60/x
  3. Step 3: Cross multiply
    187,384.40x = 281,206.20 × 134,831.60
  4. Step 4: Simplify right side
    187,384.40x = 37,915,481,875.92
  5. Step 5: Solve for x
    x = 37,915,481,875.92/187,384.40
  6. Step 6: Final answer
    x = 202,340.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.