Home / 170,692.61-235,597.97-103,680.77

Finding the Fourth Proportional to 170,692.61, 235,597.97 and 103,680.77

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Solution

The fourth proportional to 170,692.61, 235,597.97 and 103,680.77 is: 143,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,692.61 : 235,597.97 = 103,680.77 : x
  2. Step 2: Convert to fraction form
    170,692.61/235,597.97 = 103,680.77/x
  3. Step 3: Cross multiply
    170,692.61x = 235,597.97 × 103,680.77
  4. Step 4: Simplify right side
    170,692.61x = 24,426,978,421.63
  5. Step 5: Solve for x
    x = 24,426,978,421.63/170,692.61
  6. Step 6: Final answer
    x = 143,105.07

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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.