Home / 130,257.12-195,378.18-50,279.46

Finding the Fourth Proportional to 130,257.12, 195,378.18 and 50,279.46

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Solution

The fourth proportional to 130,257.12, 195,378.18 and 50,279.46 is: 75,416.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,257.12 : 195,378.18 = 50,279.46 : x
  2. Step 2: Convert to fraction form
    130,257.12/195,378.18 = 50,279.46/x
  3. Step 3: Cross multiply
    130,257.12x = 195,378.18 × 50,279.46
  4. Step 4: Simplify right side
    130,257.12x = 9,823,509,386.18
  5. Step 5: Solve for x
    x = 9,823,509,386.18/130,257.12
  6. Step 6: Final answer
    x = 75,416.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.