Home / 140,448.46-210,692.66-45,648.16

Finding the Fourth Proportional to 140,448.46, 210,692.66 and 45,648.16

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Solution

The fourth proportional to 140,448.46, 210,692.66 and 45,648.16 is: 68,478.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448.46 : 210,692.66 = 45,648.16 : x
  2. Step 2: Convert to fraction form
    140,448.46/210,692.66 = 45,648.16/x
  3. Step 3: Cross multiply
    140,448.46x = 210,692.66 × 45,648.16
  4. Step 4: Simplify right side
    140,448.46x = 9,617,732,254.51
  5. Step 5: Solve for x
    x = 9,617,732,254.51/140,448.46
  6. Step 6: Final answer
    x = 68,478.73

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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.