Home / 299,166.42-448,746.16-85,939.56

Finding the Fourth Proportional to 299,166.42, 448,746.16 and 85,939.56

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Solution

The fourth proportional to 299,166.42, 448,746.16 and 85,939.56 is: 128,908.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,166.42 : 448,746.16 = 85,939.56 : x
  2. Step 2: Convert to fraction form
    299,166.42/448,746.16 = 85,939.56/x
  3. Step 3: Cross multiply
    299,166.42x = 448,746.16 × 85,939.56
  4. Step 4: Simplify right side
    299,166.42x = 38,565,047,542.09
  5. Step 5: Solve for x
    x = 38,565,047,542.09/299,166.42
  6. Step 6: Final answer
    x = 128,908.34

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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.