Home / 207,534-286,288.59-131,025.60

Finding the Fourth Proportional to 207,534, 286,288.59 and 131,025.60

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Solution

The fourth proportional to 207,534, 286,288.59 and 131,025.60 is: 180,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,534 : 286,288.59 = 131,025.60 : x
  2. Step 2: Convert to fraction form
    207,534/286,288.59 = 131,025.60/x
  3. Step 3: Cross multiply
    207,534x = 286,288.59 × 131,025.60
  4. Step 4: Simplify right side
    207,534x = 37,511,134,277.90
  5. Step 5: Solve for x
    x = 37,511,134,277.90/207,534
  6. Step 6: Final answer
    x = 180,746.93

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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.