Home / 169,784.13-254,675.91-45,125.13

Finding the Fourth Proportional to 169,784.13, 254,675.91 and 45,125.13

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Solution

The fourth proportional to 169,784.13, 254,675.91 and 45,125.13 is: 67,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,784.13 : 254,675.91 = 45,125.13 : x
  2. Step 2: Convert to fraction form
    169,784.13/254,675.91 = 45,125.13/x
  3. Step 3: Cross multiply
    169,784.13x = 254,675.91 × 45,125.13
  4. Step 4: Simplify right side
    169,784.13x = 11,492,283,546.62
  5. Step 5: Solve for x
    x = 11,492,283,546.62/169,784.13
  6. Step 6: Final answer
    x = 67,687.62

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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.