Home / 146,058.03-201,560.67-78,990.03

Finding the Fourth Proportional to 146,058.03, 201,560.67 and 78,990.03

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Solution

The fourth proportional to 146,058.03, 201,560.67 and 78,990.03 is: 109,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,058.03 : 201,560.67 = 78,990.03 : x
  2. Step 2: Convert to fraction form
    146,058.03/201,560.67 = 78,990.03/x
  3. Step 3: Cross multiply
    146,058.03x = 201,560.67 × 78,990.03
  4. Step 4: Simplify right side
    146,058.03x = 15,921,283,370.12
  5. Step 5: Solve for x
    x = 15,921,283,370.12/146,058.03
  6. Step 6: Final answer
    x = 109,006.56

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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.