Home / 207,690.84-286,606.44-131,250.72

Finding the Fourth Proportional to 207,690.84, 286,606.44 and 131,250.72

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Solution

The fourth proportional to 207,690.84, 286,606.44 and 131,250.72 is: 181,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,690.84 : 286,606.44 = 131,250.72 : x
  2. Step 2: Convert to fraction form
    207,690.84/286,606.44 = 131,250.72/x
  3. Step 3: Cross multiply
    207,690.84x = 286,606.44 × 131,250.72
  4. Step 4: Simplify right side
    207,690.84x = 37,617,301,606.64
  5. Step 5: Solve for x
    x = 37,617,301,606.64/207,690.84
  6. Step 6: Final answer
    x = 181,121.62

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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.