Home / 129,645.95-194,550.93-50,758.13

Finding the Fourth Proportional to 129,645.95, 194,550.93 and 50,758.13

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Solution

The fourth proportional to 129,645.95, 194,550.93 and 50,758.13 is: 76,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,645.95 : 194,550.93 = 50,758.13 : x
  2. Step 2: Convert to fraction form
    129,645.95/194,550.93 = 50,758.13/x
  3. Step 3: Cross multiply
    129,645.95x = 194,550.93 × 50,758.13
  4. Step 4: Simplify right side
    129,645.95x = 9,875,040,423.81
  5. Step 5: Solve for x
    x = 9,875,040,423.81/129,645.95
  6. Step 6: Final answer
    x = 76,169.30

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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.