Home / 90,202.82-135,304.20-56,973.38

Finding the Fourth Proportional to 90,202.82, 135,304.20 and 56,973.38

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Solution

The fourth proportional to 90,202.82, 135,304.20 and 56,973.38 is: 85,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,202.82 : 135,304.20 = 56,973.38 : x
  2. Step 2: Convert to fraction form
    90,202.82/135,304.20 = 56,973.38/x
  3. Step 3: Cross multiply
    90,202.82x = 135,304.20 × 56,973.38
  4. Step 4: Simplify right side
    90,202.82x = 7,708,737,602.20
  5. Step 5: Solve for x
    x = 7,708,737,602.20/90,202.82
  6. Step 6: Final answer
    x = 85,460.05

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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.