Home / 147,899.25-204,100.97-80,831.25

Finding the Fourth Proportional to 147,899.25, 204,100.97 and 80,831.25

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Solution

The fourth proportional to 147,899.25, 204,100.97 and 80,831.25 is: 111,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.25 : 204,100.97 = 80,831.25 : x
  2. Step 2: Convert to fraction form
    147,899.25/204,100.97 = 80,831.25/x
  3. Step 3: Cross multiply
    147,899.25x = 204,100.97 × 80,831.25
  4. Step 4: Simplify right side
    147,899.25x = 16,497,736,127.16
  5. Step 5: Solve for x
    x = 16,497,736,127.16/147,899.25
  6. Step 6: Final answer
    x = 111,547.13

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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.