Home / 122,700.20-183,831.60-75,898.40

Finding the Fourth Proportional to 122,700.20, 183,831.60 and 75,898.40

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Solution

The fourth proportional to 122,700.20, 183,831.60 and 75,898.40 is: 113,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,700.20 : 183,831.60 = 75,898.40 : x
  2. Step 2: Convert to fraction form
    122,700.20/183,831.60 = 75,898.40/x
  3. Step 3: Cross multiply
    122,700.20x = 183,831.60 × 75,898.40
  4. Step 4: Simplify right side
    122,700.20x = 13,952,524,309.44
  5. Step 5: Solve for x
    x = 13,952,524,309.44/122,700.20
  6. Step 6: Final answer
    x = 113,712.32

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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.