Home / 130,235.20-195,314.40-51,323.20

Finding the Fourth Proportional to 130,235.20, 195,314.40 and 51,323.20

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Solution

The fourth proportional to 130,235.20, 195,314.40 and 51,323.20 is: 76,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,235.20 : 195,314.40 = 51,323.20 : x
  2. Step 2: Convert to fraction form
    130,235.20/195,314.40 = 51,323.20/x
  3. Step 3: Cross multiply
    130,235.20x = 195,314.40 × 51,323.20
  4. Step 4: Simplify right side
    130,235.20x = 10,024,160,014.08
  5. Step 5: Solve for x
    x = 10,024,160,014.08/130,235.20
  6. Step 6: Final answer
    x = 76,969.67

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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.