Home / 141,058.32-194,672.80-77,408.56

Finding the Fourth Proportional to 141,058.32, 194,672.80 and 77,408.56

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Solution

The fourth proportional to 141,058.32, 194,672.80 and 77,408.56 is: 106,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,058.32 : 194,672.80 = 77,408.56 : x
  2. Step 2: Convert to fraction form
    141,058.32/194,672.80 = 77,408.56/x
  3. Step 3: Cross multiply
    141,058.32x = 194,672.80 × 77,408.56
  4. Step 4: Simplify right side
    141,058.32x = 15,069,341,119.17
  5. Step 5: Solve for x
    x = 15,069,341,119.17/141,058.32
  6. Step 6: Final answer
    x = 106,830.57

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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.