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Finding the Fourth Proportional to 180,875.80, 271,313.70 and 145,883.80

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Solution

The fourth proportional to 180,875.80, 271,313.70 and 145,883.80 is: 218,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,875.80 : 271,313.70 = 145,883.80 : x
  2. Step 2: Convert to fraction form
    180,875.80/271,313.70 = 145,883.80/x
  3. Step 3: Cross multiply
    180,875.80x = 271,313.70 × 145,883.80
  4. Step 4: Simplify right side
    180,875.80x = 39,580,273,548.06
  5. Step 5: Solve for x
    x = 39,580,273,548.06/180,875.80
  6. Step 6: Final answer
    x = 218,825.70

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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.