Home / 147,899.56-204,101.40-80,831.56

Finding the Fourth Proportional to 147,899.56, 204,101.40 and 80,831.56

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Solution

The fourth proportional to 147,899.56, 204,101.40 and 80,831.56 is: 111,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,899.56 : 204,101.40 = 80,831.56 : x
  2. Step 2: Convert to fraction form
    147,899.56/204,101.40 = 80,831.56/x
  3. Step 3: Cross multiply
    147,899.56x = 204,101.40 × 80,831.56
  4. Step 4: Simplify right side
    147,899.56x = 16,497,834,560.18
  5. Step 5: Solve for x
    x = 16,497,834,560.18/147,899.56
  6. Step 6: Final answer
    x = 111,547.56

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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.