Home / 119,159.08-178,738.52-30,412.60

Finding the Fourth Proportional to 119,159.08, 178,738.52 and 30,412.60

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Solution

The fourth proportional to 119,159.08, 178,738.52 and 30,412.60 is: 45,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,159.08 : 178,738.52 = 30,412.60 : x
  2. Step 2: Convert to fraction form
    119,159.08/178,738.52 = 30,412.60/x
  3. Step 3: Cross multiply
    119,159.08x = 178,738.52 × 30,412.60
  4. Step 4: Simplify right side
    119,159.08x = 5,435,903,113.35
  5. Step 5: Solve for x
    x = 5,435,903,113.35/119,159.08
  6. Step 6: Final answer
    x = 45,618.87

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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.