Home / 129,323.52-194,088.96-67,011.84

Finding the Fourth Proportional to 129,323.52, 194,088.96 and 67,011.84

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Solution

The fourth proportional to 129,323.52, 194,088.96 and 67,011.84 is: 100,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,323.52 : 194,088.96 = 67,011.84 : x
  2. Step 2: Convert to fraction form
    129,323.52/194,088.96 = 67,011.84/x
  3. Step 3: Cross multiply
    129,323.52x = 194,088.96 × 67,011.84
  4. Step 4: Simplify right side
    129,323.52x = 13,006,258,333.29
  5. Step 5: Solve for x
    x = 13,006,258,333.29/129,323.52
  6. Step 6: Final answer
    x = 100,571.48

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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.