Home / 131,150.36-180,671.38-104,284.28

Finding the Fourth Proportional to 131,150.36, 180,671.38 and 104,284.28

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Solution

The fourth proportional to 131,150.36, 180,671.38 and 104,284.28 is: 143,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,150.36 : 180,671.38 = 104,284.28 : x
  2. Step 2: Convert to fraction form
    131,150.36/180,671.38 = 104,284.28/x
  3. Step 3: Cross multiply
    131,150.36x = 180,671.38 × 104,284.28
  4. Step 4: Simplify right side
    131,150.36x = 18,841,184,779.91
  5. Step 5: Solve for x
    x = 18,841,184,779.91/131,150.36
  6. Step 6: Final answer
    x = 143,660.95

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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.