Home / 108,945.73-150,328.74-61,189.93

Finding the Fourth Proportional to 108,945.73, 150,328.74 and 61,189.93

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Solution

The fourth proportional to 108,945.73, 150,328.74 and 61,189.93 is: 84,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,945.73 : 150,328.74 = 61,189.93 : x
  2. Step 2: Convert to fraction form
    108,945.73/150,328.74 = 61,189.93/x
  3. Step 3: Cross multiply
    108,945.73x = 150,328.74 × 61,189.93
  4. Step 4: Simplify right side
    108,945.73x = 9,198,605,077.59
  5. Step 5: Solve for x
    x = 9,198,605,077.59/108,945.73
  6. Step 6: Final answer
    x = 84,432.91

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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.