Home / 140,421.02-210,664.93-45,651.62

Finding the Fourth Proportional to 140,421.02, 210,664.93 and 45,651.62

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Solution

The fourth proportional to 140,421.02, 210,664.93 and 45,651.62 is: 68,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,421.02 : 210,664.93 = 45,651.62 : x
  2. Step 2: Convert to fraction form
    140,421.02/210,664.93 = 45,651.62/x
  3. Step 3: Cross multiply
    140,421.02x = 210,664.93 × 45,651.62
  4. Step 4: Simplify right side
    140,421.02x = 9,617,195,331.69
  5. Step 5: Solve for x
    x = 9,617,195,331.69/140,421.02
  6. Step 6: Final answer
    x = 68,488.29

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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.