Home / 226,118.04-312,075.36-135,477.60

Finding the Fourth Proportional to 226,118.04, 312,075.36 and 135,477.60

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Solution

The fourth proportional to 226,118.04, 312,075.36 and 135,477.60 is: 186,978.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,118.04 : 312,075.36 = 135,477.60 : x
  2. Step 2: Convert to fraction form
    226,118.04/312,075.36 = 135,477.60/x
  3. Step 3: Cross multiply
    226,118.04x = 312,075.36 × 135,477.60
  4. Step 4: Simplify right side
    226,118.04x = 42,279,220,791.94
  5. Step 5: Solve for x
    x = 42,279,220,791.94/226,118.04
  6. Step 6: Final answer
    x = 186,978.54

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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.