Home / 190,252.32-285,381.18-90,422.52

Finding the Fourth Proportional to 190,252.32, 285,381.18 and 90,422.52

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Solution

The fourth proportional to 190,252.32, 285,381.18 and 90,422.52 is: 135,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,252.32 : 285,381.18 = 90,422.52 : x
  2. Step 2: Convert to fraction form
    190,252.32/285,381.18 = 90,422.52/x
  3. Step 3: Cross multiply
    190,252.32x = 285,381.18 × 90,422.52
  4. Step 4: Simplify right side
    190,252.32x = 25,804,885,456.17
  5. Step 5: Solve for x
    x = 25,804,885,456.17/190,252.32
  6. Step 6: Final answer
    x = 135,635.06

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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.