Home / 94,806.91-130,886.03-64,636.56

Finding the Fourth Proportional to 94,806.91, 130,886.03 and 64,636.56

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Solution

The fourth proportional to 94,806.91, 130,886.03 and 64,636.56 is: 89,234.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,806.91 : 130,886.03 = 64,636.56 : x
  2. Step 2: Convert to fraction form
    94,806.91/130,886.03 = 64,636.56/x
  3. Step 3: Cross multiply
    94,806.91x = 130,886.03 × 64,636.56
  4. Step 4: Simplify right side
    94,806.91x = 8,460,022,161.15
  5. Step 5: Solve for x
    x = 8,460,022,161.15/94,806.91
  6. Step 6: Final answer
    x = 89,234.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.