Home / 140,458.41-210,685.50-45,692.91

Finding the Fourth Proportional to 140,458.41, 210,685.50 and 45,692.91

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Solution

The fourth proportional to 140,458.41, 210,685.50 and 45,692.91 is: 68,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,458.41 : 210,685.50 = 45,692.91 : x
  2. Step 2: Convert to fraction form
    140,458.41/210,685.50 = 45,692.91/x
  3. Step 3: Cross multiply
    140,458.41x = 210,685.50 × 45,692.91
  4. Step 4: Simplify right side
    140,458.41x = 9,626,833,589.81
  5. Step 5: Solve for x
    x = 9,626,833,589.81/140,458.41
  6. Step 6: Final answer
    x = 68,538.68

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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.