Home / 88,938.16-122,734.50-53,149.12

Finding the Fourth Proportional to 88,938.16, 122,734.50 and 53,149.12

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Solution

The fourth proportional to 88,938.16, 122,734.50 and 53,149.12 is: 73,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.16 : 122,734.50 = 53,149.12 : x
  2. Step 2: Convert to fraction form
    88,938.16/122,734.50 = 53,149.12/x
  3. Step 3: Cross multiply
    88,938.16x = 122,734.50 × 53,149.12
  4. Step 4: Simplify right side
    88,938.16x = 6,523,230,668.64
  5. Step 5: Solve for x
    x = 6,523,230,668.64/88,938.16
  6. Step 6: Final answer
    x = 73,345.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.