Home / 109,689.29-164,499.91-39,559.49

Finding the Fourth Proportional to 109,689.29, 164,499.91 and 39,559.49

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Solution

The fourth proportional to 109,689.29, 164,499.91 and 39,559.49 is: 59,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,689.29 : 164,499.91 = 39,559.49 : x
  2. Step 2: Convert to fraction form
    109,689.29/164,499.91 = 39,559.49/x
  3. Step 3: Cross multiply
    109,689.29x = 164,499.91 × 39,559.49
  4. Step 4: Simplify right side
    109,689.29x = 6,507,532,544.65
  5. Step 5: Solve for x
    x = 6,507,532,544.65/109,689.29
  6. Step 6: Final answer
    x = 59,326.96

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1.5x scale

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.