Home / 126,536.35-174,611.84-72,812.69

Finding the Fourth Proportional to 126,536.35, 174,611.84 and 72,812.69

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Solution

The fourth proportional to 126,536.35, 174,611.84 and 72,812.69 is: 100,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,536.35 : 174,611.84 = 72,812.69 : x
  2. Step 2: Convert to fraction form
    126,536.35/174,611.84 = 72,812.69/x
  3. Step 3: Cross multiply
    126,536.35x = 174,611.84 × 72,812.69
  4. Step 4: Simplify right side
    126,536.35x = 12,713,957,412.19
  5. Step 5: Solve for x
    x = 12,713,957,412.19/126,536.35
  6. Step 6: Final answer
    x = 100,476.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.