Home / 119,009.95-178,519.19-40,124.86

Finding the Fourth Proportional to 119,009.95, 178,519.19 and 40,124.86

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Solution

The fourth proportional to 119,009.95, 178,519.19 and 40,124.86 is: 60,188.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.95 : 178,519.19 = 40,124.86 : x
  2. Step 2: Convert to fraction form
    119,009.95/178,519.19 = 40,124.86/x
  3. Step 3: Cross multiply
    119,009.95x = 178,519.19 × 40,124.86
  4. Step 4: Simplify right side
    119,009.95x = 7,163,056,859.14
  5. Step 5: Solve for x
    x = 7,163,056,859.14/119,009.95
  6. Step 6: Final answer
    x = 60,188.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.