Home / 119,019.93-178,405.35-40,106.89

Finding the Fourth Proportional to 119,019.93, 178,405.35 and 40,106.89

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Solution

The fourth proportional to 119,019.93, 178,405.35 and 40,106.89 is: 60,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,019.93 : 178,405.35 = 40,106.89 : x
  2. Step 2: Convert to fraction form
    119,019.93/178,405.35 = 40,106.89/x
  3. Step 3: Cross multiply
    119,019.93x = 178,405.35 × 40,106.89
  4. Step 4: Simplify right side
    119,019.93x = 7,155,283,747.86
  5. Step 5: Solve for x
    x = 7,155,283,747.86/119,019.93
  6. Step 6: Final answer
    x = 60,118.37

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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.