Home / 198,742.68-274,259.52-112,717.44

Finding the Fourth Proportional to 198,742.68, 274,259.52 and 112,717.44

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Solution

The fourth proportional to 198,742.68, 274,259.52 and 112,717.44 is: 155,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,742.68 : 274,259.52 = 112,717.44 : x
  2. Step 2: Convert to fraction form
    198,742.68/274,259.52 = 112,717.44/x
  3. Step 3: Cross multiply
    198,742.68x = 274,259.52 × 112,717.44
  4. Step 4: Simplify right side
    198,742.68x = 30,913,830,990.03
  5. Step 5: Solve for x
    x = 30,913,830,990.03/198,742.68
  6. Step 6: Final answer
    x = 155,547.02

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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.