Home / 161,804.99-223,296.14-90,200.18

Finding the Fourth Proportional to 161,804.99, 223,296.14 and 90,200.18

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Solution

The fourth proportional to 161,804.99, 223,296.14 and 90,200.18 is: 124,479.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,804.99 : 223,296.14 = 90,200.18 : x
  2. Step 2: Convert to fraction form
    161,804.99/223,296.14 = 90,200.18/x
  3. Step 3: Cross multiply
    161,804.99x = 223,296.14 × 90,200.18
  4. Step 4: Simplify right side
    161,804.99x = 20,141,352,021.31
  5. Step 5: Solve for x
    x = 20,141,352,021.31/161,804.99
  6. Step 6: Final answer
    x = 124,479.18

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1.5x scale

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.