Home / 172,277.74-258,369.90-109,002.81

Finding the Fourth Proportional to 172,277.74, 258,369.90 and 109,002.81

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Solution

The fourth proportional to 172,277.74, 258,369.90 and 109,002.81 is: 163,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,277.74 : 258,369.90 = 109,002.81 : x
  2. Step 2: Convert to fraction form
    172,277.74/258,369.90 = 109,002.81/x
  3. Step 3: Cross multiply
    172,277.74x = 258,369.90 × 109,002.81
  4. Step 4: Simplify right side
    172,277.74x = 28,163,046,292.69
  5. Step 5: Solve for x
    x = 28,163,046,292.69/172,277.74
  6. Step 6: Final answer
    x = 163,474.67

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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.