Home / 213,441.96-320,168.70-55,666.92

Finding the Fourth Proportional to 213,441.96, 320,168.70 and 55,666.92

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Solution

The fourth proportional to 213,441.96, 320,168.70 and 55,666.92 is: 83,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,441.96 : 320,168.70 = 55,666.92 : x
  2. Step 2: Convert to fraction form
    213,441.96/320,168.70 = 55,666.92/x
  3. Step 3: Cross multiply
    213,441.96x = 320,168.70 × 55,666.92
  4. Step 4: Simplify right side
    213,441.96x = 17,822,805,409.40
  5. Step 5: Solve for x
    x = 17,822,805,409.40/213,441.96
  6. Step 6: Final answer
    x = 83,501.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.