Home / 161,726.40-223,155.84-90,090.24

Finding the Fourth Proportional to 161,726.40, 223,155.84 and 90,090.24

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Solution

The fourth proportional to 161,726.40, 223,155.84 and 90,090.24 is: 124,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.40 : 223,155.84 = 90,090.24 : x
  2. Step 2: Convert to fraction form
    161,726.40/223,155.84 = 90,090.24/x
  3. Step 3: Cross multiply
    161,726.40x = 223,155.84 × 90,090.24
  4. Step 4: Simplify right side
    161,726.40x = 20,104,163,183.00
  5. Step 5: Solve for x
    x = 20,104,163,183.00/161,726.40
  6. Step 6: Final answer
    x = 124,309.72

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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.