Home / 161,899.16-223,429.73-90,279.09

Finding the Fourth Proportional to 161,899.16, 223,429.73 and 90,279.09

Calculator

Solution

The fourth proportional to 161,899.16, 223,429.73 and 90,279.09 is: 124,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,899.16 : 223,429.73 = 90,279.09 : x
  2. Step 2: Convert to fraction form
    161,899.16/223,429.73 = 90,279.09/x
  3. Step 3: Cross multiply
    161,899.16x = 223,429.73 × 90,279.09
  4. Step 4: Simplify right side
    161,899.16x = 20,171,032,251.95
  5. Step 5: Solve for x
    x = 20,171,032,251.95/161,899.16
  6. Step 6: Final answer
    x = 124,590.10

Related Problems

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.