Home / 115,274.47-172,926.83-45,144.67

Finding the Fourth Proportional to 115,274.47, 172,926.83 and 45,144.67

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Solution

The fourth proportional to 115,274.47, 172,926.83 and 45,144.67 is: 67,722.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.47 : 172,926.83 = 45,144.67 : x
  2. Step 2: Convert to fraction form
    115,274.47/172,926.83 = 45,144.67/x
  3. Step 3: Cross multiply
    115,274.47x = 172,926.83 × 45,144.67
  4. Step 4: Simplify right side
    115,274.47x = 7,806,724,674.50
  5. Step 5: Solve for x
    x = 7,806,724,674.50/115,274.47
  6. Step 6: Final answer
    x = 67,722.93

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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.