Home / 242,958.20-364,542.55-130,507.21

Finding the Fourth Proportional to 242,958.20, 364,542.55 and 130,507.21

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Solution

The fourth proportional to 242,958.20, 364,542.55 and 130,507.21 is: 195,817.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,958.20 : 364,542.55 = 130,507.21 : x
  2. Step 2: Convert to fraction form
    242,958.20/364,542.55 = 130,507.21/x
  3. Step 3: Cross multiply
    242,958.20x = 364,542.55 × 130,507.21
  4. Step 4: Simplify right side
    242,958.20x = 47,575,430,378.56
  5. Step 5: Solve for x
    x = 47,575,430,378.56/242,958.20
  6. Step 6: Final answer
    x = 195,817.35

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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.