Home / 234,050.64-322,986.70-130,686.43

Finding the Fourth Proportional to 234,050.64, 322,986.70 and 130,686.43

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Solution

The fourth proportional to 234,050.64, 322,986.70 and 130,686.43 is: 180,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,050.64 : 322,986.70 = 130,686.43 : x
  2. Step 2: Convert to fraction form
    234,050.64/322,986.70 = 130,686.43/x
  3. Step 3: Cross multiply
    234,050.64x = 322,986.70 × 130,686.43
  4. Step 4: Simplify right side
    234,050.64x = 42,209,978,760.48
  5. Step 5: Solve for x
    x = 42,209,978,760.48/234,050.64
  6. Step 6: Final answer
    x = 180,345.50

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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.