Home / 131,846.60-181,944.42-74,488.62

Finding the Fourth Proportional to 131,846.60, 181,944.42 and 74,488.62

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Solution

The fourth proportional to 131,846.60, 181,944.42 and 74,488.62 is: 102,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,846.60 : 181,944.42 = 74,488.62 : x
  2. Step 2: Convert to fraction form
    131,846.60/181,944.42 = 74,488.62/x
  3. Step 3: Cross multiply
    131,846.60x = 181,944.42 × 74,488.62
  4. Step 4: Simplify right side
    131,846.60x = 13,552,788,762.50
  5. Step 5: Solve for x
    x = 13,552,788,762.50/131,846.60
  6. Step 6: Final answer
    x = 102,792.10

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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.