Home / 101,982.36-152,921.01-45,774.29

Finding the Fourth Proportional to 101,982.36, 152,921.01 and 45,774.29

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Solution

The fourth proportional to 101,982.36, 152,921.01 and 45,774.29 is: 68,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,982.36 : 152,921.01 = 45,774.29 : x
  2. Step 2: Convert to fraction form
    101,982.36/152,921.01 = 45,774.29/x
  3. Step 3: Cross multiply
    101,982.36x = 152,921.01 × 45,774.29
  4. Step 4: Simplify right side
    101,982.36x = 6,999,849,894.23
  5. Step 5: Solve for x
    x = 6,999,849,894.23/101,982.36
  6. Step 6: Final answer
    x = 68,637.85

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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.