Home / 130,257.75-179,755.70-73,667.91

Finding the Fourth Proportional to 130,257.75, 179,755.70 and 73,667.91

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Solution

The fourth proportional to 130,257.75, 179,755.70 and 73,667.91 is: 101,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,257.75 : 179,755.70 = 73,667.91 : x
  2. Step 2: Convert to fraction form
    130,257.75/179,755.70 = 73,667.91/x
  3. Step 3: Cross multiply
    130,257.75x = 179,755.70 × 73,667.91
  4. Step 4: Simplify right side
    130,257.75x = 13,242,226,361.25
  5. Step 5: Solve for x
    x = 13,242,226,361.25/130,257.75
  6. Step 6: Final answer
    x = 101,661.72

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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.