Home / 90,281.40-135,473.96-70,504.44

Finding the Fourth Proportional to 90,281.40, 135,473.96 and 70,504.44

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Solution

The fourth proportional to 90,281.40, 135,473.96 and 70,504.44 is: 105,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,281.40 : 135,473.96 = 70,504.44 : x
  2. Step 2: Convert to fraction form
    90,281.40/135,473.96 = 70,504.44/x
  3. Step 3: Cross multiply
    90,281.40x = 135,473.96 × 70,504.44
  4. Step 4: Simplify right side
    90,281.40x = 9,551,515,331.86
  5. Step 5: Solve for x
    x = 9,551,515,331.86/90,281.40
  6. Step 6: Final answer
    x = 105,797.16

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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.