Home / 173,204.80-259,807.20-106,428.40

Finding the Fourth Proportional to 173,204.80, 259,807.20 and 106,428.40

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Solution

The fourth proportional to 173,204.80, 259,807.20 and 106,428.40 is: 159,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,204.80 : 259,807.20 = 106,428.40 : x
  2. Step 2: Convert to fraction form
    173,204.80/259,807.20 = 106,428.40/x
  3. Step 3: Cross multiply
    173,204.80x = 259,807.20 × 106,428.40
  4. Step 4: Simplify right side
    173,204.80x = 27,650,864,604.48
  5. Step 5: Solve for x
    x = 27,650,864,604.48/173,204.80
  6. Step 6: Final answer
    x = 159,642.60

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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.