Home / 109,181.43-150,667.02-61,431.93

Finding the Fourth Proportional to 109,181.43, 150,667.02 and 61,431.93

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Solution

The fourth proportional to 109,181.43, 150,667.02 and 61,431.93 is: 84,774.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,181.43 : 150,667.02 = 61,431.93 : x
  2. Step 2: Convert to fraction form
    109,181.43/150,667.02 = 61,431.93/x
  3. Step 3: Cross multiply
    109,181.43x = 150,667.02 × 61,431.93
  4. Step 4: Simplify right side
    109,181.43x = 9,255,765,825.95
  5. Step 5: Solve for x
    x = 9,255,765,825.95/109,181.43
  6. Step 6: Final answer
    x = 84,774.18

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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.