Home / 134,206.07-185,204.75-73,782.90

Finding the Fourth Proportional to 134,206.07, 185,204.75 and 73,782.90

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Solution

The fourth proportional to 134,206.07, 185,204.75 and 73,782.90 is: 101,820.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,206.07 : 185,204.75 = 73,782.90 : x
  2. Step 2: Convert to fraction form
    134,206.07/185,204.75 = 73,782.90/x
  3. Step 3: Cross multiply
    134,206.07x = 185,204.75 × 73,782.90
  4. Step 4: Simplify right side
    134,206.07x = 13,664,943,179.86
  5. Step 5: Solve for x
    x = 13,664,943,179.86/134,206.07
  6. Step 6: Final answer
    x = 101,820.61

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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.