Home / 136,301.43-204,539.63-66,142.47

Finding the Fourth Proportional to 136,301.43, 204,539.63 and 66,142.47

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Solution

The fourth proportional to 136,301.43, 204,539.63 and 66,142.47 is: 99,256.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,301.43 : 204,539.63 = 66,142.47 : x
  2. Step 2: Convert to fraction form
    136,301.43/204,539.63 = 66,142.47/x
  3. Step 3: Cross multiply
    136,301.43x = 204,539.63 × 66,142.47
  4. Step 4: Simplify right side
    136,301.43x = 13,528,757,149.45
  5. Step 5: Solve for x
    x = 13,528,757,149.45/136,301.43
  6. Step 6: Final answer
    x = 99,256.16

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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.