Home / 180,831.61-271,258.68-47,712.01

Finding the Fourth Proportional to 180,831.61, 271,258.68 and 47,712.01

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Solution

The fourth proportional to 180,831.61, 271,258.68 and 47,712.01 is: 71,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,831.61 : 271,258.68 = 47,712.01 : x
  2. Step 2: Convert to fraction form
    180,831.61/271,258.68 = 47,712.01/x
  3. Step 3: Cross multiply
    180,831.61x = 271,258.68 × 47,712.01
  4. Step 4: Simplify right side
    180,831.61x = 12,942,296,174.60
  5. Step 5: Solve for x
    x = 12,942,296,174.60/180,831.61
  6. Step 6: Final answer
    x = 71,570.98

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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.