Home / 204,830.81-282,683.36-112,968.07

Finding the Fourth Proportional to 204,830.81, 282,683.36 and 112,968.07

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Solution

The fourth proportional to 204,830.81, 282,683.36 and 112,968.07 is: 155,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,830.81 : 282,683.36 = 112,968.07 : x
  2. Step 2: Convert to fraction form
    204,830.81/282,683.36 = 112,968.07/x
  3. Step 3: Cross multiply
    204,830.81x = 282,683.36 × 112,968.07
  4. Step 4: Simplify right side
    204,830.81x = 31,934,193,600.32
  5. Step 5: Solve for x
    x = 31,934,193,600.32/204,830.81
  6. Step 6: Final answer
    x = 155,905.23

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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.