Home / 210,686.92-316,039.61-60,942.35

Finding the Fourth Proportional to 210,686.92, 316,039.61 and 60,942.35

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Solution

The fourth proportional to 210,686.92, 316,039.61 and 60,942.35 is: 91,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,686.92 : 316,039.61 = 60,942.35 : x
  2. Step 2: Convert to fraction form
    210,686.92/316,039.61 = 60,942.35/x
  3. Step 3: Cross multiply
    210,686.92x = 316,039.61 × 60,942.35
  4. Step 4: Simplify right side
    210,686.92x = 19,260,195,736.38
  5. Step 5: Solve for x
    x = 19,260,195,736.38/210,686.92
  6. Step 6: Final answer
    x = 91,416.19

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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.