Home / 161,719.67-223,173.43-90,102.24

Finding the Fourth Proportional to 161,719.67, 223,173.43 and 90,102.24

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Solution

The fourth proportional to 161,719.67, 223,173.43 and 90,102.24 is: 124,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,719.67 : 223,173.43 = 90,102.24 : x
  2. Step 2: Convert to fraction form
    161,719.67/223,173.43 = 90,102.24/x
  3. Step 3: Cross multiply
    161,719.67x = 223,173.43 × 90,102.24
  4. Step 4: Simplify right side
    161,719.67x = 20,108,425,726.23
  5. Step 5: Solve for x
    x = 20,108,425,726.23/161,719.67
  6. Step 6: Final answer
    x = 124,341.25

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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.