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Finding the Fourth Proportional to 183,140.80, 274,759.80 and 64,799.80

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Solution

The fourth proportional to 183,140.80, 274,759.80 and 64,799.80 is: 97,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,140.80 : 274,759.80 = 64,799.80 : x
  2. Step 2: Convert to fraction form
    183,140.80/274,759.80 = 64,799.80/x
  3. Step 3: Cross multiply
    183,140.80x = 274,759.80 × 64,799.80
  4. Step 4: Simplify right side
    183,140.80x = 17,804,380,088.04
  5. Step 5: Solve for x
    x = 17,804,380,088.04/183,140.80
  6. Step 6: Final answer
    x = 97,216.90

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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.