Home / 141,536.10-195,287.70-103,316.47

Finding the Fourth Proportional to 141,536.10, 195,287.70 and 103,316.47

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Solution

The fourth proportional to 141,536.10, 195,287.70 and 103,316.47 is: 142,553.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,536.10 : 195,287.70 = 103,316.47 : x
  2. Step 2: Convert to fraction form
    141,536.10/195,287.70 = 103,316.47/x
  3. Step 3: Cross multiply
    141,536.10x = 195,287.70 × 103,316.47
  4. Step 4: Simplify right side
    141,536.10x = 20,176,435,798.42
  5. Step 5: Solve for x
    x = 20,176,435,798.42/141,536.10
  6. Step 6: Final answer
    x = 142,553.29

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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.