Home / 231,831.60-347,747.40-107,415.60

Finding the Fourth Proportional to 231,831.60, 347,747.40 and 107,415.60

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Solution

The fourth proportional to 231,831.60, 347,747.40 and 107,415.60 is: 161,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,831.60 : 347,747.40 = 107,415.60 : x
  2. Step 2: Convert to fraction form
    231,831.60/347,747.40 = 107,415.60/x
  3. Step 3: Cross multiply
    231,831.60x = 347,747.40 × 107,415.60
  4. Step 4: Simplify right side
    231,831.60x = 37,353,495,619.44
  5. Step 5: Solve for x
    x = 37,353,495,619.44/231,831.60
  6. Step 6: Final answer
    x = 161,123.40

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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.