Home / 129,738.46-194,547.21-67,392.22

Finding the Fourth Proportional to 129,738.46, 194,547.21 and 67,392.22

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Solution

The fourth proportional to 129,738.46, 194,547.21 and 67,392.22 is: 101,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,738.46 : 194,547.21 = 67,392.22 : x
  2. Step 2: Convert to fraction form
    129,738.46/194,547.21 = 67,392.22/x
  3. Step 3: Cross multiply
    129,738.46x = 194,547.21 × 67,392.22
  4. Step 4: Simplify right side
    129,738.46x = 13,110,968,376.71
  5. Step 5: Solve for x
    x = 13,110,968,376.71/129,738.46
  6. Step 6: Final answer
    x = 101,056.91

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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.