Home / 105,265.96-157,899.62-42,091.39

Finding the Fourth Proportional to 105,265.96, 157,899.62 and 42,091.39

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Solution

The fourth proportional to 105,265.96, 157,899.62 and 42,091.39 is: 63,137.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,265.96 : 157,899.62 = 42,091.39 : x
  2. Step 2: Convert to fraction form
    105,265.96/157,899.62 = 42,091.39/x
  3. Step 3: Cross multiply
    105,265.96x = 157,899.62 × 42,091.39
  4. Step 4: Simplify right side
    105,265.96x = 6,646,214,226.40
  5. Step 5: Solve for x
    x = 6,646,214,226.40/105,265.96
  6. Step 6: Final answer
    x = 63,137.36

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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.