Home / 126,733.23-174,824.22-78,362.28

Finding the Fourth Proportional to 126,733.23, 174,824.22 and 78,362.28

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Solution

The fourth proportional to 126,733.23, 174,824.22 and 78,362.28 is: 108,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,733.23 : 174,824.22 = 78,362.28 : x
  2. Step 2: Convert to fraction form
    126,733.23/174,824.22 = 78,362.28/x
  3. Step 3: Cross multiply
    126,733.23x = 174,824.22 × 78,362.28
  4. Step 4: Simplify right side
    126,733.23x = 13,699,624,478.42
  5. Step 5: Solve for x
    x = 13,699,624,478.42/126,733.23
  6. Step 6: Final answer
    x = 108,098.12

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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.