Home / 114,988.43-158,683.79-64,687.43

Finding the Fourth Proportional to 114,988.43, 158,683.79 and 64,687.43

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Solution

The fourth proportional to 114,988.43, 158,683.79 and 64,687.43 is: 89,268.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,988.43 : 158,683.79 = 64,687.43 : x
  2. Step 2: Convert to fraction form
    114,988.43/158,683.79 = 64,687.43/x
  3. Step 3: Cross multiply
    114,988.43x = 158,683.79 × 64,687.43
  4. Step 4: Simplify right side
    114,988.43x = 10,264,845,440.90
  5. Step 5: Solve for x
    x = 10,264,845,440.90/114,988.43
  6. Step 6: Final answer
    x = 89,268.51

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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.