Home / 141,644.49-195,468.76-77,982.23

Finding the Fourth Proportional to 141,644.49, 195,468.76 and 77,982.23

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Solution

The fourth proportional to 141,644.49, 195,468.76 and 77,982.23 is: 107,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,644.49 : 195,468.76 = 77,982.23 : x
  2. Step 2: Convert to fraction form
    141,644.49/195,468.76 = 77,982.23/x
  3. Step 3: Cross multiply
    141,644.49x = 195,468.76 × 77,982.23
  4. Step 4: Simplify right side
    141,644.49x = 15,243,089,800.13
  5. Step 5: Solve for x
    x = 15,243,089,800.13/141,644.49
  6. Step 6: Final answer
    x = 107,615.13

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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.