Home / 130,289.72-195,463.26-74,156.24

Finding the Fourth Proportional to 130,289.72, 195,463.26 and 74,156.24

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Solution

The fourth proportional to 130,289.72, 195,463.26 and 74,156.24 is: 111,250.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289.72 : 195,463.26 = 74,156.24 : x
  2. Step 2: Convert to fraction form
    130,289.72/195,463.26 = 74,156.24/x
  3. Step 3: Cross multiply
    130,289.72x = 195,463.26 × 74,156.24
  4. Step 4: Simplify right side
    130,289.72x = 14,494,820,908.40
  5. Step 5: Solve for x
    x = 14,494,820,908.40/130,289.72
  6. Step 6: Final answer
    x = 111,250.69

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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.