Home / 109,677.40-164,516.10-39,563.80

Finding the Fourth Proportional to 109,677.40, 164,516.10 and 39,563.80

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Solution

The fourth proportional to 109,677.40, 164,516.10 and 39,563.80 is: 59,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.40 : 164,516.10 = 39,563.80 : x
  2. Step 2: Convert to fraction form
    109,677.40/164,516.10 = 39,563.80/x
  3. Step 3: Cross multiply
    109,677.40x = 164,516.10 × 39,563.80
  4. Step 4: Simplify right side
    109,677.40x = 6,508,882,077.18
  5. Step 5: Solve for x
    x = 6,508,882,077.18/109,677.40
  6. Step 6: Final answer
    x = 59,345.70

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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.