Home / 97,221.20-145,831.80-73,601.60

Finding the Fourth Proportional to 97,221.20, 145,831.80 and 73,601.60

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Solution

The fourth proportional to 97,221.20, 145,831.80 and 73,601.60 is: 110,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,221.20 : 145,831.80 = 73,601.60 : x
  2. Step 2: Convert to fraction form
    97,221.20/145,831.80 = 73,601.60/x
  3. Step 3: Cross multiply
    97,221.20x = 145,831.80 × 73,601.60
  4. Step 4: Simplify right side
    97,221.20x = 10,733,453,810.88
  5. Step 5: Solve for x
    x = 10,733,453,810.88/97,221.20
  6. Step 6: Final answer
    x = 110,402.40

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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.