Home / 140,773.23-194,267.07-77,113.29

Finding the Fourth Proportional to 140,773.23, 194,267.07 and 77,113.29

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Solution

The fourth proportional to 140,773.23, 194,267.07 and 77,113.29 is: 106,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,773.23 : 194,267.07 = 77,113.29 : x
  2. Step 2: Convert to fraction form
    140,773.23/194,267.07 = 77,113.29/x
  3. Step 3: Cross multiply
    140,773.23x = 194,267.07 × 77,113.29
  4. Step 4: Simplify right side
    140,773.23x = 14,980,572,906.36
  5. Step 5: Solve for x
    x = 14,980,572,906.36/140,773.23
  6. Step 6: Final answer
    x = 106,416.35

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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.