Home / 213,933.54-320,907.75-101,555.87

Finding the Fourth Proportional to 213,933.54, 320,907.75 and 101,555.87

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Solution

The fourth proportional to 213,933.54, 320,907.75 and 101,555.87 is: 152,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,933.54 : 320,907.75 = 101,555.87 : x
  2. Step 2: Convert to fraction form
    213,933.54/320,907.75 = 101,555.87/x
  3. Step 3: Cross multiply
    213,933.54x = 320,907.75 × 101,555.87
  4. Step 4: Simplify right side
    213,933.54x = 32,590,064,136.45
  5. Step 5: Solve for x
    x = 32,590,064,136.45/213,933.54
  6. Step 6: Final answer
    x = 152,337.33

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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.