Home / 203,567.40-281,019.24-135,697.50

Finding the Fourth Proportional to 203,567.40, 281,019.24 and 135,697.50

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Solution

The fourth proportional to 203,567.40, 281,019.24 and 135,697.50 is: 187,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,567.40 : 281,019.24 = 135,697.50 : x
  2. Step 2: Convert to fraction form
    203,567.40/281,019.24 = 135,697.50/x
  3. Step 3: Cross multiply
    203,567.40x = 281,019.24 × 135,697.50
  4. Step 4: Simplify right side
    203,567.40x = 38,133,608,319.90
  5. Step 5: Solve for x
    x = 38,133,608,319.90/203,567.40
  6. Step 6: Final answer
    x = 187,326.70

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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.