Home / 255,447.10-352,527.87-142,269.85

Finding the Fourth Proportional to 255,447.10, 352,527.87 and 142,269.85

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Solution

The fourth proportional to 255,447.10, 352,527.87 and 142,269.85 is: 196,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,447.10 : 352,527.87 = 142,269.85 : x
  2. Step 2: Convert to fraction form
    255,447.10/352,527.87 = 142,269.85/x
  3. Step 3: Cross multiply
    255,447.10x = 352,527.87 × 142,269.85
  4. Step 4: Simplify right side
    255,447.10x = 50,154,087,185.72
  5. Step 5: Solve for x
    x = 50,154,087,185.72/255,447.10
  6. Step 6: Final answer
    x = 196,338.45

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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.