Home / 149,878.69-223,724.63-130,961.50

Finding the Fourth Proportional to 149,878.69, 223,724.63 and 130,961.50

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Solution

The fourth proportional to 149,878.69, 223,724.63 and 130,961.50 is: 195,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,878.69 : 223,724.63 = 130,961.50 : x
  2. Step 2: Convert to fraction form
    149,878.69/223,724.63 = 130,961.50/x
  3. Step 3: Cross multiply
    149,878.69x = 223,724.63 × 130,961.50
  4. Step 4: Simplify right side
    149,878.69x = 29,299,313,131.75
  5. Step 5: Solve for x
    x = 29,299,313,131.75/149,878.69
  6. Step 6: Final answer
    x = 195,486.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.