Home / 104,458.16-156,718.49-41,287.20

Finding the Fourth Proportional to 104,458.16, 156,718.49 and 41,287.20

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Solution

The fourth proportional to 104,458.16, 156,718.49 and 41,287.20 is: 61,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,458.16 : 156,718.49 = 41,287.20 : x
  2. Step 2: Convert to fraction form
    104,458.16/156,718.49 = 41,287.20/x
  3. Step 3: Cross multiply
    104,458.16x = 156,718.49 × 41,287.20
  4. Step 4: Simplify right side
    104,458.16x = 6,470,467,433.89
  5. Step 5: Solve for x
    x = 6,470,467,433.89/104,458.16
  6. Step 6: Final answer
    x = 61,943.15

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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.