Home / 142,869.33-197,160.48-82,442.52

Finding the Fourth Proportional to 142,869.33, 197,160.48 and 82,442.52

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Solution

The fourth proportional to 142,869.33, 197,160.48 and 82,442.52 is: 113,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,869.33 : 197,160.48 = 82,442.52 : x
  2. Step 2: Convert to fraction form
    142,869.33/197,160.48 = 82,442.52/x
  3. Step 3: Cross multiply
    142,869.33x = 197,160.48 × 82,442.52
  4. Step 4: Simplify right side
    142,869.33x = 16,254,406,815.61
  5. Step 5: Solve for x
    x = 16,254,406,815.61/142,869.33
  6. Step 6: Final answer
    x = 113,771.14

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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.