Home / 203,132.04-280,347.30-122,605.80

Finding the Fourth Proportional to 203,132.04, 280,347.30 and 122,605.80

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Solution

The fourth proportional to 203,132.04, 280,347.30 and 122,605.80 is: 169,211.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,132.04 : 280,347.30 = 122,605.80 : x
  2. Step 2: Convert to fraction form
    203,132.04/280,347.30 = 122,605.80/x
  3. Step 3: Cross multiply
    203,132.04x = 280,347.30 × 122,605.80
  4. Step 4: Simplify right side
    203,132.04x = 34,372,204,994.34
  5. Step 5: Solve for x
    x = 34,372,204,994.34/203,132.04
  6. Step 6: Final answer
    x = 169,211.14

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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.