Home / 149,897.23-206,869.98-85,369.19

Finding the Fourth Proportional to 149,897.23, 206,869.98 and 85,369.19

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Solution

The fourth proportional to 149,897.23, 206,869.98 and 85,369.19 is: 117,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,897.23 : 206,869.98 = 85,369.19 : x
  2. Step 2: Convert to fraction form
    149,897.23/206,869.98 = 85,369.19/x
  3. Step 3: Cross multiply
    149,897.23x = 206,869.98 × 85,369.19
  4. Step 4: Simplify right side
    149,897.23x = 17,660,322,357.04
  5. Step 5: Solve for x
    x = 17,660,322,357.04/149,897.23
  6. Step 6: Final answer
    x = 117,816.20

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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.