Home / 140,370.10-210,532.87-45,602.53

Finding the Fourth Proportional to 140,370.10, 210,532.87 and 45,602.53

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Solution

The fourth proportional to 140,370.10, 210,532.87 and 45,602.53 is: 68,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,370.10 : 210,532.87 = 45,602.53 : x
  2. Step 2: Convert to fraction form
    140,370.10/210,532.87 = 45,602.53/x
  3. Step 3: Cross multiply
    140,370.10x = 210,532.87 × 45,602.53
  4. Step 4: Simplify right side
    140,370.10x = 9,600,831,520.16
  5. Step 5: Solve for x
    x = 9,600,831,520.16/140,370.10
  6. Step 6: Final answer
    x = 68,396.56

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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.