Home / 149,238.94-205,939.36-84,709.52

Finding the Fourth Proportional to 149,238.94, 205,939.36 and 84,709.52

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Solution

The fourth proportional to 149,238.94, 205,939.36 and 84,709.52 is: 116,893.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,238.94 : 205,939.36 = 84,709.52 : x
  2. Step 2: Convert to fraction form
    149,238.94/205,939.36 = 84,709.52/x
  3. Step 3: Cross multiply
    149,238.94x = 205,939.36 × 84,709.52
  4. Step 4: Simplify right side
    149,238.94x = 17,445,024,334.71
  5. Step 5: Solve for x
    x = 17,445,024,334.71/149,238.94
  6. Step 6: Final answer
    x = 116,893.25

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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.