Home / 131,561.02-197,296.81-42,792.49

Finding the Fourth Proportional to 131,561.02, 197,296.81 and 42,792.49

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Solution

The fourth proportional to 131,561.02, 197,296.81 and 42,792.49 is: 64,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,561.02 : 197,296.81 = 42,792.49 : x
  2. Step 2: Convert to fraction form
    131,561.02/197,296.81 = 42,792.49/x
  3. Step 3: Cross multiply
    131,561.02x = 197,296.81 × 42,792.49
  4. Step 4: Simplify right side
    131,561.02x = 8,442,821,768.96
  5. Step 5: Solve for x
    x = 8,442,821,768.96/131,561.02
  6. Step 6: Final answer
    x = 64,174.19

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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.