Home / 106,411.20-159,616.80-104,337.60

Finding the Fourth Proportional to 106,411.20, 159,616.80 and 104,337.60

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Solution

The fourth proportional to 106,411.20, 159,616.80 and 104,337.60 is: 156,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,411.20 : 159,616.80 = 104,337.60 : x
  2. Step 2: Convert to fraction form
    106,411.20/159,616.80 = 104,337.60/x
  3. Step 3: Cross multiply
    106,411.20x = 159,616.80 × 104,337.60
  4. Step 4: Simplify right side
    106,411.20x = 16,654,033,831.68
  5. Step 5: Solve for x
    x = 16,654,033,831.68/106,411.20
  6. Step 6: Final answer
    x = 156,506.40

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1.5x scale

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.