Home / 121,692.48-182,350.57-94,975.12

Finding the Fourth Proportional to 121,692.48, 182,350.57 and 94,975.12

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Solution

The fourth proportional to 121,692.48, 182,350.57 and 94,975.12 is: 142,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,692.48 : 182,350.57 = 94,975.12 : x
  2. Step 2: Convert to fraction form
    121,692.48/182,350.57 = 94,975.12/x
  3. Step 3: Cross multiply
    121,692.48x = 182,350.57 × 94,975.12
  4. Step 4: Simplify right side
    121,692.48x = 17,318,767,267.82
  5. Step 5: Solve for x
    x = 17,318,767,267.82/121,692.48
  6. Step 6: Final answer
    x = 142,315.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.