Home / 97,210.22-145,906.05-49,860.86

Finding the Fourth Proportional to 97,210.22, 145,906.05 and 49,860.86

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Solution

The fourth proportional to 97,210.22, 145,906.05 and 49,860.86 is: 74,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,210.22 : 145,906.05 = 49,860.86 : x
  2. Step 2: Convert to fraction form
    97,210.22/145,906.05 = 49,860.86/x
  3. Step 3: Cross multiply
    97,210.22x = 145,906.05 × 49,860.86
  4. Step 4: Simplify right side
    97,210.22x = 7,275,001,132.20
  5. Step 5: Solve for x
    x = 7,275,001,132.20/97,210.22
  6. Step 6: Final answer
    x = 74,837.82

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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.