Home / 190,443.31-285,712.18-134,392.93

Finding the Fourth Proportional to 190,443.31, 285,712.18 and 134,392.93

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Solution

The fourth proportional to 190,443.31, 285,712.18 and 134,392.93 is: 201,622.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,443.31 : 285,712.18 = 134,392.93 : x
  2. Step 2: Convert to fraction form
    190,443.31/285,712.18 = 134,392.93/x
  3. Step 3: Cross multiply
    190,443.31x = 285,712.18 × 134,392.93
  4. Step 4: Simplify right side
    190,443.31x = 38,397,695,956.62
  5. Step 5: Solve for x
    x = 38,397,695,956.62/190,443.31
  6. Step 6: Final answer
    x = 201,622.71

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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.