Home / 195,128.68-292,559.84-103,957.72

Finding the Fourth Proportional to 195,128.68, 292,559.84 and 103,957.72

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Solution

The fourth proportional to 195,128.68, 292,559.84 and 103,957.72 is: 155,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,128.68 : 292,559.84 = 103,957.72 : x
  2. Step 2: Convert to fraction form
    195,128.68/292,559.84 = 103,957.72/x
  3. Step 3: Cross multiply
    195,128.68x = 292,559.84 × 103,957.72
  4. Step 4: Simplify right side
    195,128.68x = 30,413,853,929.96
  5. Step 5: Solve for x
    x = 30,413,853,929.96/195,128.68
  6. Step 6: Final answer
    x = 155,865.63

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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.