Home / 130,040.75-179,470.84-73,455.77

Finding the Fourth Proportional to 130,040.75, 179,470.84 and 73,455.77

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Solution

The fourth proportional to 130,040.75, 179,470.84 and 73,455.77 is: 101,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,040.75 : 179,470.84 = 73,455.77 : x
  2. Step 2: Convert to fraction form
    130,040.75/179,470.84 = 73,455.77/x
  3. Step 3: Cross multiply
    130,040.75x = 179,470.84 × 73,455.77
  4. Step 4: Simplify right side
    130,040.75x = 13,183,168,744.75
  5. Step 5: Solve for x
    x = 13,183,168,744.75/130,040.75
  6. Step 6: Final answer
    x = 101,377.21

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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.