Home / 120,270.04-165,970.14-66,551.84

Finding the Fourth Proportional to 120,270.04, 165,970.14 and 66,551.84

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Solution

The fourth proportional to 120,270.04, 165,970.14 and 66,551.84 is: 91,840.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,270.04 : 165,970.14 = 66,551.84 : x
  2. Step 2: Convert to fraction form
    120,270.04/165,970.14 = 66,551.84/x
  3. Step 3: Cross multiply
    120,270.04x = 165,970.14 × 66,551.84
  4. Step 4: Simplify right side
    120,270.04x = 11,045,618,202.06
  5. Step 5: Solve for x
    x = 11,045,618,202.06/120,270.04
  6. Step 6: Final answer
    x = 91,840.15

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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.