Home / 126,512.46-174,586.86-72,064.62

Finding the Fourth Proportional to 126,512.46, 174,586.86 and 72,064.62

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Solution

The fourth proportional to 126,512.46, 174,586.86 and 72,064.62 is: 99,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,512.46 : 174,586.86 = 72,064.62 : x
  2. Step 2: Convert to fraction form
    126,512.46/174,586.86 = 72,064.62/x
  3. Step 3: Cross multiply
    126,512.46x = 174,586.86 × 72,064.62
  4. Step 4: Simplify right side
    126,512.46x = 12,581,535,722.89
  5. Step 5: Solve for x
    x = 12,581,535,722.89/126,512.46
  6. Step 6: Final answer
    x = 99,448.98

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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.