Home / 109,941.80-151,719.97-59,640.80

Finding the Fourth Proportional to 109,941.80, 151,719.97 and 59,640.80

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Solution

The fourth proportional to 109,941.80, 151,719.97 and 59,640.80 is: 82,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.80 : 151,719.97 = 59,640.80 : x
  2. Step 2: Convert to fraction form
    109,941.80/151,719.97 = 59,640.80/x
  3. Step 3: Cross multiply
    109,941.80x = 151,719.97 × 59,640.80
  4. Step 4: Simplify right side
    109,941.80x = 9,048,699,628.18
  5. Step 5: Solve for x
    x = 9,048,699,628.18/109,941.80
  6. Step 6: Final answer
    x = 82,304.46

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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.