Home / 135,058.56-186,380.10-74,633.40

Finding the Fourth Proportional to 135,058.56, 186,380.10 and 74,633.40

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Solution

The fourth proportional to 135,058.56, 186,380.10 and 74,633.40 is: 102,993.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,058.56 : 186,380.10 = 74,633.40 : x
  2. Step 2: Convert to fraction form
    135,058.56/186,380.10 = 74,633.40/x
  3. Step 3: Cross multiply
    135,058.56x = 186,380.10 × 74,633.40
  4. Step 4: Simplify right side
    135,058.56x = 13,910,180,555.34
  5. Step 5: Solve for x
    x = 13,910,180,555.34/135,058.56
  6. Step 6: Final answer
    x = 102,993.70

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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.