Home / 213,342.57-320,014.26-55,570.77

Finding the Fourth Proportional to 213,342.57, 320,014.26 and 55,570.77

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Solution

The fourth proportional to 213,342.57, 320,014.26 and 55,570.77 is: 83,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,342.57 : 320,014.26 = 55,570.77 : x
  2. Step 2: Convert to fraction form
    213,342.57/320,014.26 = 55,570.77/x
  3. Step 3: Cross multiply
    213,342.57x = 320,014.26 × 55,570.77
  4. Step 4: Simplify right side
    213,342.57x = 17,783,438,839.18
  5. Step 5: Solve for x
    x = 17,783,438,839.18/213,342.57
  6. Step 6: Final answer
    x = 83,356.26

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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.