Home / 90,252.44-135,298.25-42,838.28

Finding the Fourth Proportional to 90,252.44, 135,298.25 and 42,838.28

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Solution

The fourth proportional to 90,252.44, 135,298.25 and 42,838.28 is: 64,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,252.44 : 135,298.25 = 42,838.28 : x
  2. Step 2: Convert to fraction form
    90,252.44/135,298.25 = 42,838.28/x
  3. Step 3: Cross multiply
    90,252.44x = 135,298.25 × 42,838.28
  4. Step 4: Simplify right side
    90,252.44x = 5,795,944,317.01
  5. Step 5: Solve for x
    x = 5,795,944,317.01/90,252.44
  6. Step 6: Final answer
    x = 64,219.25

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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.