Home / 130,720.78-196,113.96-37,226.50

Finding the Fourth Proportional to 130,720.78, 196,113.96 and 37,226.50

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Solution

The fourth proportional to 130,720.78, 196,113.96 and 37,226.50 is: 55,849.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,720.78 : 196,113.96 = 37,226.50 : x
  2. Step 2: Convert to fraction form
    130,720.78/196,113.96 = 37,226.50/x
  3. Step 3: Cross multiply
    130,720.78x = 196,113.96 × 37,226.50
  4. Step 4: Simplify right side
    130,720.78x = 7,300,636,331.94
  5. Step 5: Solve for x
    x = 7,300,636,331.94/130,720.78
  6. Step 6: Final answer
    x = 55,849.09

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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.