Home / 131,176.37-181,022.55-74,587.74

Finding the Fourth Proportional to 131,176.37, 181,022.55 and 74,587.74

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Solution

The fourth proportional to 131,176.37, 181,022.55 and 74,587.74 is: 102,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,176.37 : 181,022.55 = 74,587.74 : x
  2. Step 2: Convert to fraction form
    131,176.37/181,022.55 = 74,587.74/x
  3. Step 3: Cross multiply
    131,176.37x = 181,022.55 × 74,587.74
  4. Step 4: Simplify right side
    131,176.37x = 13,502,062,520.60
  5. Step 5: Solve for x
    x = 13,502,062,520.60/131,176.37
  6. Step 6: Final answer
    x = 102,930.60

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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.