Home / 130,225.52-195,458.87-80,403.23

Finding the Fourth Proportional to 130,225.52, 195,458.87 and 80,403.23

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Solution

The fourth proportional to 130,225.52, 195,458.87 and 80,403.23 is: 120,679.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225.52 : 195,458.87 = 80,403.23 : x
  2. Step 2: Convert to fraction form
    130,225.52/195,458.87 = 80,403.23/x
  3. Step 3: Cross multiply
    130,225.52x = 195,458.87 × 80,403.23
  4. Step 4: Simplify right side
    130,225.52x = 15,715,525,169.81
  5. Step 5: Solve for x
    x = 15,715,525,169.81/130,225.52
  6. Step 6: Final answer
    x = 120,679.30

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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.