Home / 97,997.67-135,294.76-61,730.21

Finding the Fourth Proportional to 97,997.67, 135,294.76 and 61,730.21

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Solution

The fourth proportional to 97,997.67, 135,294.76 and 61,730.21 is: 85,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,997.67 : 135,294.76 = 61,730.21 : x
  2. Step 2: Convert to fraction form
    97,997.67/135,294.76 = 61,730.21/x
  3. Step 3: Cross multiply
    97,997.67x = 135,294.76 × 61,730.21
  4. Step 4: Simplify right side
    97,997.67x = 8,351,773,115.90
  5. Step 5: Solve for x
    x = 8,351,773,115.90/97,997.67
  6. Step 6: Final answer
    x = 85,224.20

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1.5x scale

Why These Related Problems?

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