Home / 119,013.20-178,395.24-40,100.16

Finding the Fourth Proportional to 119,013.20, 178,395.24 and 40,100.16

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Solution

The fourth proportional to 119,013.20, 178,395.24 and 40,100.16 is: 60,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,013.20 : 178,395.24 = 40,100.16 : x
  2. Step 2: Convert to fraction form
    119,013.20/178,395.24 = 40,100.16/x
  3. Step 3: Cross multiply
    119,013.20x = 178,395.24 × 40,100.16
  4. Step 4: Simplify right side
    119,013.20x = 7,153,677,667.24
  5. Step 5: Solve for x
    x = 7,153,677,667.24/119,013.20
  6. Step 6: Final answer
    x = 60,108.27

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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.