Home / 185,075.42-255,446.24-120,430.73

Finding the Fourth Proportional to 185,075.42, 255,446.24 and 120,430.73

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Solution

The fourth proportional to 185,075.42, 255,446.24 and 120,430.73 is: 166,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,075.42 : 255,446.24 = 120,430.73 : x
  2. Step 2: Convert to fraction form
    185,075.42/255,446.24 = 120,430.73/x
  3. Step 3: Cross multiply
    185,075.42x = 255,446.24 × 120,430.73
  4. Step 4: Simplify right side
    185,075.42x = 30,763,575,279.57
  5. Step 5: Solve for x
    x = 30,763,575,279.57/185,075.42
  6. Step 6: Final answer
    x = 166,221.84

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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.