Home / 109,179.90-150,667.29-61,432.29

Finding the Fourth Proportional to 109,179.90, 150,667.29 and 61,432.29

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Solution

The fourth proportional to 109,179.90, 150,667.29 and 61,432.29 is: 84,776.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,179.90 : 150,667.29 = 61,432.29 : x
  2. Step 2: Convert to fraction form
    109,179.90/150,667.29 = 61,432.29/x
  3. Step 3: Cross multiply
    109,179.90x = 150,667.29 × 61,432.29
  4. Step 4: Simplify right side
    109,179.90x = 9,255,836,652.79
  5. Step 5: Solve for x
    x = 9,255,836,652.79/109,179.90
  6. Step 6: Final answer
    x = 84,776.01

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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.