Home / 161,698.26-223,113.99-90,076.50

Finding the Fourth Proportional to 161,698.26, 223,113.99 and 90,076.50

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Solution

The fourth proportional to 161,698.26, 223,113.99 and 90,076.50 is: 124,289.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,698.26 : 223,113.99 = 90,076.50 : x
  2. Step 2: Convert to fraction form
    161,698.26/223,113.99 = 90,076.50/x
  3. Step 3: Cross multiply
    161,698.26x = 223,113.99 × 90,076.50
  4. Step 4: Simplify right side
    161,698.26x = 20,097,327,320.24
  5. Step 5: Solve for x
    x = 20,097,327,320.24/161,698.26
  6. Step 6: Final answer
    x = 124,289.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.