Home / 210,146.75-314,942.37-76,898.72

Finding the Fourth Proportional to 210,146.75, 314,942.37 and 76,898.72

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Solution

The fourth proportional to 210,146.75, 314,942.37 and 76,898.72 is: 115,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.75 : 314,942.37 = 76,898.72 : x
  2. Step 2: Convert to fraction form
    210,146.75/314,942.37 = 76,898.72/x
  3. Step 3: Cross multiply
    210,146.75x = 314,942.37 × 76,898.72
  4. Step 4: Simplify right side
    210,146.75x = 24,218,665,126.77
  5. Step 5: Solve for x
    x = 24,218,665,126.77/210,146.75
  6. Step 6: Final answer
    x = 115,246.44

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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.