Home / 161,909.28-242,881.20-43,582.32

Finding the Fourth Proportional to 161,909.28, 242,881.20 and 43,582.32

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Solution

The fourth proportional to 161,909.28, 242,881.20 and 43,582.32 is: 65,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,909.28 : 242,881.20 = 43,582.32 : x
  2. Step 2: Convert to fraction form
    161,909.28/242,881.20 = 43,582.32/x
  3. Step 3: Cross multiply
    161,909.28x = 242,881.20 × 43,582.32
  4. Step 4: Simplify right side
    161,909.28x = 10,585,326,180.38
  5. Step 5: Solve for x
    x = 10,585,326,180.38/161,909.28
  6. Step 6: Final answer
    x = 65,378.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.