Home / 187,017.66-258,054.12-106,446.42

Finding the Fourth Proportional to 187,017.66, 258,054.12 and 106,446.42

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Solution

The fourth proportional to 187,017.66, 258,054.12 and 106,446.42 is: 146,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,017.66 : 258,054.12 = 106,446.42 : x
  2. Step 2: Convert to fraction form
    187,017.66/258,054.12 = 106,446.42/x
  3. Step 3: Cross multiply
    187,017.66x = 258,054.12 × 106,446.42
  4. Step 4: Simplify right side
    187,017.66x = 27,468,937,240.25
  5. Step 5: Solve for x
    x = 27,468,937,240.25/187,017.66
  6. Step 6: Final answer
    x = 146,878.84

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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.