Home / 145,774.46-218,692.37-82,624.84

Finding the Fourth Proportional to 145,774.46, 218,692.37 and 82,624.84

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Solution

The fourth proportional to 145,774.46, 218,692.37 and 82,624.84 is: 123,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,774.46 : 218,692.37 = 82,624.84 : x
  2. Step 2: Convert to fraction form
    145,774.46/218,692.37 = 82,624.84/x
  3. Step 3: Cross multiply
    145,774.46x = 218,692.37 × 82,624.84
  4. Step 4: Simplify right side
    145,774.46x = 18,069,421,740.30
  5. Step 5: Solve for x
    x = 18,069,421,740.30/145,774.46
  6. Step 6: Final answer
    x = 123,954.64

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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.