Home / 131,496.39-181,420.70-74,867.67

Finding the Fourth Proportional to 131,496.39, 181,420.70 and 74,867.67

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Solution

The fourth proportional to 131,496.39, 181,420.70 and 74,867.67 is: 103,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,496.39 : 181,420.70 = 74,867.67 : x
  2. Step 2: Convert to fraction form
    131,496.39/181,420.70 = 74,867.67/x
  3. Step 3: Cross multiply
    131,496.39x = 181,420.70 × 74,867.67
  4. Step 4: Simplify right side
    131,496.39x = 13,582,544,724.43
  5. Step 5: Solve for x
    x = 13,582,544,724.43/131,496.39
  6. Step 6: Final answer
    x = 103,292.15

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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.