Home / 124,831.40-187,247.10-45,929.30

Finding the Fourth Proportional to 124,831.40, 187,247.10 and 45,929.30

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Solution

The fourth proportional to 124,831.40, 187,247.10 and 45,929.30 is: 68,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.40 : 187,247.10 = 45,929.30 : x
  2. Step 2: Convert to fraction form
    124,831.40/187,247.10 = 45,929.30/x
  3. Step 3: Cross multiply
    124,831.40x = 187,247.10 × 45,929.30
  4. Step 4: Simplify right side
    124,831.40x = 8,600,128,230.03
  5. Step 5: Solve for x
    x = 8,600,128,230.03/124,831.40
  6. Step 6: Final answer
    x = 68,893.95

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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.