Home / 210,079.71-314,971.94-76,942.67

Finding the Fourth Proportional to 210,079.71, 314,971.94 and 76,942.67

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Solution

The fourth proportional to 210,079.71, 314,971.94 and 76,942.67 is: 115,359.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,079.71 : 314,971.94 = 76,942.67 : x
  2. Step 2: Convert to fraction form
    210,079.71/314,971.94 = 76,942.67/x
  3. Step 3: Cross multiply
    210,079.71x = 314,971.94 × 76,942.67
  4. Step 4: Simplify right side
    210,079.71x = 24,234,780,079.11
  5. Step 5: Solve for x
    x = 24,234,780,079.11/210,079.71
  6. Step 6: Final answer
    x = 115,359.93

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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.