Home / 134,291.76-185,307.96-77,692.56

Finding the Fourth Proportional to 134,291.76, 185,307.96 and 77,692.56

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Solution

The fourth proportional to 134,291.76, 185,307.96 and 77,692.56 is: 107,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,291.76 : 185,307.96 = 77,692.56 : x
  2. Step 2: Convert to fraction form
    134,291.76/185,307.96 = 77,692.56/x
  3. Step 3: Cross multiply
    134,291.76x = 185,307.96 × 77,692.56
  4. Step 4: Simplify right side
    134,291.76x = 14,397,049,800.78
  5. Step 5: Solve for x
    x = 14,397,049,800.78/134,291.76
  6. Step 6: Final answer
    x = 107,207.25

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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.