Home / 187,520.34-258,726.94-106,918.46

Finding the Fourth Proportional to 187,520.34, 258,726.94 and 106,918.46

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Solution

The fourth proportional to 187,520.34, 258,726.94 and 106,918.46 is: 147,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,520.34 : 258,726.94 = 106,918.46 : x
  2. Step 2: Convert to fraction form
    187,520.34/258,726.94 = 106,918.46/x
  3. Step 3: Cross multiply
    187,520.34x = 258,726.94 × 106,918.46
  4. Step 4: Simplify right side
    187,520.34x = 27,662,685,996.02
  5. Step 5: Solve for x
    x = 27,662,685,996.02/187,520.34
  6. Step 6: Final answer
    x = 147,518.32

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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.