Home / 131,352.66-181,267.83-74,767.68

Finding the Fourth Proportional to 131,352.66, 181,267.83 and 74,767.68

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Solution

The fourth proportional to 131,352.66, 181,267.83 and 74,767.68 is: 103,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,352.66 : 181,267.83 = 74,767.68 : x
  2. Step 2: Convert to fraction form
    131,352.66/181,267.83 = 74,767.68/x
  3. Step 3: Cross multiply
    131,352.66x = 181,267.83 × 74,767.68
  4. Step 4: Simplify right side
    131,352.66x = 13,552,975,107.73
  5. Step 5: Solve for x
    x = 13,552,975,107.73/131,352.66
  6. Step 6: Final answer
    x = 103,180.06

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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.