Home / 205,423.60-308,135.40-94,831.60

Finding the Fourth Proportional to 205,423.60, 308,135.40 and 94,831.60

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Solution

The fourth proportional to 205,423.60, 308,135.40 and 94,831.60 is: 142,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,423.60 : 308,135.40 = 94,831.60 : x
  2. Step 2: Convert to fraction form
    205,423.60/308,135.40 = 94,831.60/x
  3. Step 3: Cross multiply
    205,423.60x = 308,135.40 × 94,831.60
  4. Step 4: Simplify right side
    205,423.60x = 29,220,972,998.64
  5. Step 5: Solve for x
    x = 29,220,972,998.64/205,423.60
  6. Step 6: Final answer
    x = 142,247.40

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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.