Home / 140,720.96-194,195.00-77,058.77

Finding the Fourth Proportional to 140,720.96, 194,195.00 and 77,058.77

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Solution

The fourth proportional to 140,720.96, 194,195.00 and 77,058.77 is: 106,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,720.96 : 194,195.00 = 77,058.77 : x
  2. Step 2: Convert to fraction form
    140,720.96/194,195.00 = 77,058.77/x
  3. Step 3: Cross multiply
    140,720.96x = 194,195.00 × 77,058.77
  4. Step 4: Simplify right side
    140,720.96x = 14,964,427,061.82
  5. Step 5: Solve for x
    x = 14,964,427,061.82/140,720.96
  6. Step 6: Final answer
    x = 106,341.14

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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.