Home / 130,025.70-195,038.55-100,501.20

Finding the Fourth Proportional to 130,025.70, 195,038.55 and 100,501.20

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Solution

The fourth proportional to 130,025.70, 195,038.55 and 100,501.20 is: 150,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,025.70 : 195,038.55 = 100,501.20 : x
  2. Step 2: Convert to fraction form
    130,025.70/195,038.55 = 100,501.20/x
  3. Step 3: Cross multiply
    130,025.70x = 195,038.55 × 100,501.20
  4. Step 4: Simplify right side
    130,025.70x = 19,601,608,321.26
  5. Step 5: Solve for x
    x = 19,601,608,321.26/130,025.70
  6. Step 6: Final answer
    x = 150,751.80

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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.