Home / 173,046.79-259,366.65-78,166.21

Finding the Fourth Proportional to 173,046.79, 259,366.65 and 78,166.21

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Solution

The fourth proportional to 173,046.79, 259,366.65 and 78,166.21 is: 117,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,046.79 : 259,366.65 = 78,166.21 : x
  2. Step 2: Convert to fraction form
    173,046.79/259,366.65 = 78,166.21/x
  3. Step 3: Cross multiply
    173,046.79x = 259,366.65 × 78,166.21
  4. Step 4: Simplify right side
    173,046.79x = 20,273,708,030.90
  5. Step 5: Solve for x
    x = 20,273,708,030.90/173,046.79
  6. Step 6: Final answer
    x = 117,157.38

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1.5x scale

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.