Home / 210,146.24-314,941.64-76,898.21

Finding the Fourth Proportional to 210,146.24, 314,941.64 and 76,898.21

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Solution

The fourth proportional to 210,146.24, 314,941.64 and 76,898.21 is: 115,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.24 : 314,941.64 = 76,898.21 : x
  2. Step 2: Convert to fraction form
    210,146.24/314,941.64 = 76,898.21/x
  3. Step 3: Cross multiply
    210,146.24x = 314,941.64 × 76,898.21
  4. Step 4: Simplify right side
    210,146.24x = 24,218,446,411.27
  5. Step 5: Solve for x
    x = 24,218,446,411.27/210,146.24
  6. Step 6: Final answer
    x = 115,245.68

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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.