Home / 121,715.26-182,582.52-42,847.18

Finding the Fourth Proportional to 121,715.26, 182,582.52 and 42,847.18

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Solution

The fourth proportional to 121,715.26, 182,582.52 and 42,847.18 is: 64,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,715.26 : 182,582.52 = 42,847.18 : x
  2. Step 2: Convert to fraction form
    121,715.26/182,582.52 = 42,847.18/x
  3. Step 3: Cross multiply
    121,715.26x = 182,582.52 × 42,847.18
  4. Step 4: Simplify right side
    121,715.26x = 7,823,146,099.29
  5. Step 5: Solve for x
    x = 7,823,146,099.29/121,715.26
  6. Step 6: Final answer
    x = 64,274.16

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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.