Home / 126,211.49-174,172.79-69,624.89

Finding the Fourth Proportional to 126,211.49, 174,172.79 and 69,624.89

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Solution

The fourth proportional to 126,211.49, 174,172.79 and 69,624.89 is: 96,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,211.49 : 174,172.79 = 69,624.89 : x
  2. Step 2: Convert to fraction form
    126,211.49/174,172.79 = 69,624.89/x
  3. Step 3: Cross multiply
    126,211.49x = 174,172.79 × 69,624.89
  4. Step 4: Simplify right side
    126,211.49x = 12,126,761,344.74
  5. Step 5: Solve for x
    x = 12,126,761,344.74/126,211.49
  6. Step 6: Final answer
    x = 96,082.86

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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.