Home / 140,423.08-210,603.58-40,561.60

Finding the Fourth Proportional to 140,423.08, 210,603.58 and 40,561.60

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Solution

The fourth proportional to 140,423.08, 210,603.58 and 40,561.60 is: 60,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,423.08 : 210,603.58 = 40,561.60 : x
  2. Step 2: Convert to fraction form
    140,423.08/210,603.58 = 40,561.60/x
  3. Step 3: Cross multiply
    140,423.08x = 210,603.58 × 40,561.60
  4. Step 4: Simplify right side
    140,423.08x = 8,542,418,170.53
  5. Step 5: Solve for x
    x = 8,542,418,170.53/140,423.08
  6. Step 6: Final answer
    x = 60,833.43

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1.5x scale

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.