Home / 121,795.10-182,692.65-42,890.84

Finding the Fourth Proportional to 121,795.10, 182,692.65 and 42,890.84

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Solution

The fourth proportional to 121,795.10, 182,692.65 and 42,890.84 is: 64,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,795.10 : 182,692.65 = 42,890.84 : x
  2. Step 2: Convert to fraction form
    121,795.10/182,692.65 = 42,890.84/x
  3. Step 3: Cross multiply
    121,795.10x = 182,692.65 × 42,890.84
  4. Step 4: Simplify right side
    121,795.10x = 7,835,840,306.86
  5. Step 5: Solve for x
    x = 7,835,840,306.86/121,795.10
  6. Step 6: Final answer
    x = 64,336.26

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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.