Home / 109,179.11-150,666.85-61,432.46

Finding the Fourth Proportional to 109,179.11, 150,666.85 and 61,432.46

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Solution

The fourth proportional to 109,179.11, 150,666.85 and 61,432.46 is: 84,776.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,179.11 : 150,666.85 = 61,432.46 : x
  2. Step 2: Convert to fraction form
    109,179.11/150,666.85 = 61,432.46/x
  3. Step 3: Cross multiply
    109,179.11x = 150,666.85 × 61,432.46
  4. Step 4: Simplify right side
    109,179.11x = 9,255,835,124.41
  5. Step 5: Solve for x
    x = 9,255,835,124.41/109,179.11
  6. Step 6: Final answer
    x = 84,776.62

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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.