Home / 98,283.36-135,614.45-55,257.17

Finding the Fourth Proportional to 98,283.36, 135,614.45 and 55,257.17

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Solution

The fourth proportional to 98,283.36, 135,614.45 and 55,257.17 is: 76,245.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,283.36 : 135,614.45 = 55,257.17 : x
  2. Step 2: Convert to fraction form
    98,283.36/135,614.45 = 55,257.17/x
  3. Step 3: Cross multiply
    98,283.36x = 135,614.45 × 55,257.17
  4. Step 4: Simplify right side
    98,283.36x = 7,493,670,941.01
  5. Step 5: Solve for x
    x = 7,493,670,941.01/98,283.36
  6. Step 6: Final answer
    x = 76,245.57

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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.