Home / 207,271.45-286,009.18-130,761.69

Finding the Fourth Proportional to 207,271.45, 286,009.18 and 130,761.69

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Solution

The fourth proportional to 207,271.45, 286,009.18 and 130,761.69 is: 180,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,271.45 : 286,009.18 = 130,761.69 : x
  2. Step 2: Convert to fraction form
    207,271.45/286,009.18 = 130,761.69/x
  3. Step 3: Cross multiply
    207,271.45x = 286,009.18 × 130,761.69
  4. Step 4: Simplify right side
    207,271.45x = 37,399,043,732.31
  5. Step 5: Solve for x
    x = 37,399,043,732.31/207,271.45
  6. Step 6: Final answer
    x = 180,435.09

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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.