Home / 133,245.14-183,887.01-75,116.21

Finding the Fourth Proportional to 133,245.14, 183,887.01 and 75,116.21

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Solution

The fourth proportional to 133,245.14, 183,887.01 and 75,116.21 is: 103,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,245.14 : 183,887.01 = 75,116.21 : x
  2. Step 2: Convert to fraction form
    133,245.14/183,887.01 = 75,116.21/x
  3. Step 3: Cross multiply
    133,245.14x = 183,887.01 × 75,116.21
  4. Step 4: Simplify right side
    133,245.14x = 13,812,894,340.00
  5. Step 5: Solve for x
    x = 13,812,894,340.00/133,245.14
  6. Step 6: Final answer
    x = 103,665.28

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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.