Home / 187,080.84-258,167.60-106,507.20

Finding the Fourth Proportional to 187,080.84, 258,167.60 and 106,507.20

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Solution

The fourth proportional to 187,080.84, 258,167.60 and 106,507.20 is: 146,977.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,080.84 : 258,167.60 = 106,507.20 : x
  2. Step 2: Convert to fraction form
    187,080.84/258,167.60 = 106,507.20/x
  3. Step 3: Cross multiply
    187,080.84x = 258,167.60 × 106,507.20
  4. Step 4: Simplify right side
    187,080.84x = 27,496,709,640.82
  5. Step 5: Solve for x
    x = 27,496,709,640.82/187,080.84
  6. Step 6: Final answer
    x = 146,977.69

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1.5x scale

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.