Home / 140,147.55-210,233.46-40,315.86

Finding the Fourth Proportional to 140,147.55, 210,233.46 and 40,315.86

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Solution

The fourth proportional to 140,147.55, 210,233.46 and 40,315.86 is: 60,477.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,147.55 : 210,233.46 = 40,315.86 : x
  2. Step 2: Convert to fraction form
    140,147.55/210,233.46 = 40,315.86/x
  3. Step 3: Cross multiply
    140,147.55x = 210,233.46 × 40,315.86
  4. Step 4: Simplify right side
    140,147.55x = 8,475,742,740.68
  5. Step 5: Solve for x
    x = 8,475,742,740.68/140,147.55
  6. Step 6: Final answer
    x = 60,477.28

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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.