Home / 129,574.08-194,477.76-67,288.32

Finding the Fourth Proportional to 129,574.08, 194,477.76 and 67,288.32

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Solution

The fourth proportional to 129,574.08, 194,477.76 and 67,288.32 is: 100,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,574.08 : 194,477.76 = 67,288.32 : x
  2. Step 2: Convert to fraction form
    129,574.08/194,477.76 = 67,288.32/x
  3. Step 3: Cross multiply
    129,574.08x = 194,477.76 × 67,288.32
  4. Step 4: Simplify right side
    129,574.08x = 13,086,081,747.76
  5. Step 5: Solve for x
    x = 13,086,081,747.76/129,574.08
  6. Step 6: Final answer
    x = 100,993.05

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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.