Home / 130,247.80-195,225.90-74,114.80

Finding the Fourth Proportional to 130,247.80, 195,225.90 and 74,114.80

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Solution

The fourth proportional to 130,247.80, 195,225.90 and 74,114.80 is: 111,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,247.80 : 195,225.90 = 74,114.80 : x
  2. Step 2: Convert to fraction form
    130,247.80/195,225.90 = 74,114.80/x
  3. Step 3: Cross multiply
    130,247.80x = 195,225.90 × 74,114.80
  4. Step 4: Simplify right side
    130,247.80x = 14,469,128,533.32
  5. Step 5: Solve for x
    x = 14,469,128,533.32/130,247.80
  6. Step 6: Final answer
    x = 111,089.24

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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.