Home / 115,414.85-159,277.30-64,430.41

Finding the Fourth Proportional to 115,414.85, 159,277.30 and 64,430.41

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Solution

The fourth proportional to 115,414.85, 159,277.30 and 64,430.41 is: 88,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,414.85 : 159,277.30 = 64,430.41 : x
  2. Step 2: Convert to fraction form
    115,414.85/159,277.30 = 64,430.41/x
  3. Step 3: Cross multiply
    115,414.85x = 159,277.30 × 64,430.41
  4. Step 4: Simplify right side
    115,414.85x = 10,262,301,183.42
  5. Step 5: Solve for x
    x = 10,262,301,183.42/115,414.85
  6. Step 6: Final answer
    x = 88,916.65

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1.5x scale

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.