Home / 267,557.32-401,356.14-90,064.84

Finding the Fourth Proportional to 267,557.32, 401,356.14 and 90,064.84

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Solution

The fourth proportional to 267,557.32, 401,356.14 and 90,064.84 is: 135,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,557.32 : 401,356.14 = 90,064.84 : x
  2. Step 2: Convert to fraction form
    267,557.32/401,356.14 = 90,064.84/x
  3. Step 3: Cross multiply
    267,557.32x = 401,356.14 × 90,064.84
  4. Step 4: Simplify right side
    267,557.32x = 36,148,076,532.12
  5. Step 5: Solve for x
    x = 36,148,076,532.12/267,557.32
  6. Step 6: Final answer
    x = 135,104.05

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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.