Home / 219,588.41-303,016.08-121,467.50

Finding the Fourth Proportional to 219,588.41, 303,016.08 and 121,467.50

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Solution

The fourth proportional to 219,588.41, 303,016.08 and 121,467.50 is: 167,616.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,588.41 : 303,016.08 = 121,467.50 : x
  2. Step 2: Convert to fraction form
    219,588.41/303,016.08 = 121,467.50/x
  3. Step 3: Cross multiply
    219,588.41x = 303,016.08 × 121,467.50
  4. Step 4: Simplify right side
    219,588.41x = 36,806,605,090.06
  5. Step 5: Solve for x
    x = 36,806,605,090.06/219,588.41
  6. Step 6: Final answer
    x = 167,616.34

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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.