Home / 161,950.60-223,492.07-90,335.21

Finding the Fourth Proportional to 161,950.60, 223,492.07 and 90,335.21

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Solution

The fourth proportional to 161,950.60, 223,492.07 and 90,335.21 is: 124,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,950.60 : 223,492.07 = 90,335.21 : x
  2. Step 2: Convert to fraction form
    161,950.60/223,492.07 = 90,335.21/x
  3. Step 3: Cross multiply
    161,950.60x = 223,492.07 × 90,335.21
  4. Step 4: Simplify right side
    161,950.60x = 20,189,202,185.16
  5. Step 5: Solve for x
    x = 20,189,202,185.16/161,950.60
  6. Step 6: Final answer
    x = 124,662.72

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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.