Home / 141,971.46-195,521.99-138,871.41

Finding the Fourth Proportional to 141,971.46, 195,521.99 and 138,871.41

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Solution

The fourth proportional to 141,971.46, 195,521.99 and 138,871.41 is: 191,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.46 : 195,521.99 = 138,871.41 : x
  2. Step 2: Convert to fraction form
    141,971.46/195,521.99 = 138,871.41/x
  3. Step 3: Cross multiply
    141,971.46x = 195,521.99 × 138,871.41
  4. Step 4: Simplify right side
    141,971.46x = 27,152,413,742.95
  5. Step 5: Solve for x
    x = 27,152,413,742.95/141,971.46
  6. Step 6: Final answer
    x = 191,252.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.