Home / 94,890.94-142,288.10-31,688.34

Finding the Fourth Proportional to 94,890.94, 142,288.10 and 31,688.34

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Solution

The fourth proportional to 94,890.94, 142,288.10 and 31,688.34 is: 47,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,890.94 : 142,288.10 = 31,688.34 : x
  2. Step 2: Convert to fraction form
    94,890.94/142,288.10 = 31,688.34/x
  3. Step 3: Cross multiply
    94,890.94x = 142,288.10 × 31,688.34
  4. Step 4: Simplify right side
    94,890.94x = 4,508,873,690.75
  5. Step 5: Solve for x
    x = 4,508,873,690.75/94,890.94
  6. Step 6: Final answer
    x = 47,516.38

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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.