Home / 119,019.15-178,527.92-30,271.50

Finding the Fourth Proportional to 119,019.15, 178,527.92 and 30,271.50

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Solution

The fourth proportional to 119,019.15, 178,527.92 and 30,271.50 is: 45,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,019.15 : 178,527.92 = 30,271.50 : x
  2. Step 2: Convert to fraction form
    119,019.15/178,527.92 = 30,271.50/x
  3. Step 3: Cross multiply
    119,019.15x = 178,527.92 × 30,271.50
  4. Step 4: Simplify right side
    119,019.15x = 5,404,307,778.92
  5. Step 5: Solve for x
    x = 5,404,307,778.92/119,019.15
  6. Step 6: Final answer
    x = 45,407.04

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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.