Home / 106,401.50-159,783.04-71,089.74

Finding the Fourth Proportional to 106,401.50, 159,783.04 and 71,089.74

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Solution

The fourth proportional to 106,401.50, 159,783.04 and 71,089.74 is: 106,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,401.50 : 159,783.04 = 71,089.74 : x
  2. Step 2: Convert to fraction form
    106,401.50/159,783.04 = 71,089.74/x
  3. Step 3: Cross multiply
    106,401.50x = 159,783.04 × 71,089.74
  4. Step 4: Simplify right side
    106,401.50x = 11,358,934,770.01
  5. Step 5: Solve for x
    x = 11,358,934,770.01/106,401.50
  6. Step 6: Final answer
    x = 106,755.40

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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.