Home / 141,207.47-194,867.67-77,546.63

Finding the Fourth Proportional to 141,207.47, 194,867.67 and 77,546.63

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Solution

The fourth proportional to 141,207.47, 194,867.67 and 77,546.63 is: 107,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,207.47 : 194,867.67 = 77,546.63 : x
  2. Step 2: Convert to fraction form
    141,207.47/194,867.67 = 77,546.63/x
  3. Step 3: Cross multiply
    141,207.47x = 194,867.67 × 77,546.63
  4. Step 4: Simplify right side
    141,207.47x = 15,111,331,882.42
  5. Step 5: Solve for x
    x = 15,111,331,882.42/141,207.47
  6. Step 6: Final answer
    x = 107,015.10

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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.