Home / 98,223.36-135,509.94-55,776.12

Finding the Fourth Proportional to 98,223.36, 135,509.94 and 55,776.12

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Solution

The fourth proportional to 98,223.36, 135,509.94 and 55,776.12 is: 76,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,223.36 : 135,509.94 = 55,776.12 : x
  2. Step 2: Convert to fraction form
    98,223.36/135,509.94 = 55,776.12/x
  3. Step 3: Cross multiply
    98,223.36x = 135,509.94 × 55,776.12
  4. Step 4: Simplify right side
    98,223.36x = 7,558,218,674.63
  5. Step 5: Solve for x
    x = 7,558,218,674.63/98,223.36
  6. Step 6: Final answer
    x = 76,949.30

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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.