Home / 109,179.36-150,667.24-61,432.76

Finding the Fourth Proportional to 109,179.36, 150,667.24 and 61,432.76

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Solution

The fourth proportional to 109,179.36, 150,667.24 and 61,432.76 is: 84,777.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,179.36 : 150,667.24 = 61,432.76 : x
  2. Step 2: Convert to fraction form
    109,179.36/150,667.24 = 61,432.76/x
  3. Step 3: Cross multiply
    109,179.36x = 150,667.24 × 61,432.76
  4. Step 4: Simplify right side
    109,179.36x = 9,255,904,394.78
  5. Step 5: Solve for x
    x = 9,255,904,394.78/109,179.36
  6. Step 6: Final answer
    x = 84,777.05

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1.5x scale

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.