Home / 130,738.74-180,404.58-73,366.20

Finding the Fourth Proportional to 130,738.74, 180,404.58 and 73,366.20

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Solution

The fourth proportional to 130,738.74, 180,404.58 and 73,366.20 is: 101,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,738.74 : 180,404.58 = 73,366.20 : x
  2. Step 2: Convert to fraction form
    130,738.74/180,404.58 = 73,366.20/x
  3. Step 3: Cross multiply
    130,738.74x = 180,404.58 × 73,366.20
  4. Step 4: Simplify right side
    130,738.74x = 13,235,598,497.20
  5. Step 5: Solve for x
    x = 13,235,598,497.20/130,738.74
  6. Step 6: Final answer
    x = 101,237.01

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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.