Home / 240,157.81-331,370.68-144,669.74

Finding the Fourth Proportional to 240,157.81, 331,370.68 and 144,669.74

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Solution

The fourth proportional to 240,157.81, 331,370.68 and 144,669.74 is: 199,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,157.81 : 331,370.68 = 144,669.74 : x
  2. Step 2: Convert to fraction form
    240,157.81/331,370.68 = 144,669.74/x
  3. Step 3: Cross multiply
    240,157.81x = 331,370.68 × 144,669.74
  4. Step 4: Simplify right side
    240,157.81x = 47,939,309,395.87
  5. Step 5: Solve for x
    x = 47,939,309,395.87/240,157.81
  6. Step 6: Final answer
    x = 199,615.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.