Home / 94,782.17-142,172.84-38,609.75

Finding the Fourth Proportional to 94,782.17, 142,172.84 and 38,609.75

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Solution

The fourth proportional to 94,782.17, 142,172.84 and 38,609.75 is: 57,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782.17 : 142,172.84 = 38,609.75 : x
  2. Step 2: Convert to fraction form
    94,782.17/142,172.84 = 38,609.75/x
  3. Step 3: Cross multiply
    94,782.17x = 142,172.84 × 38,609.75
  4. Step 4: Simplify right side
    94,782.17x = 5,489,256,905.28
  5. Step 5: Solve for x
    x = 5,489,256,905.28/94,782.17
  6. Step 6: Final answer
    x = 57,914.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.