Home / 130,156.45-195,231.02-41,415.28

Finding the Fourth Proportional to 130,156.45, 195,231.02 and 41,415.28

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Solution

The fourth proportional to 130,156.45, 195,231.02 and 41,415.28 is: 62,121.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,156.45 : 195,231.02 = 41,415.28 : x
  2. Step 2: Convert to fraction form
    130,156.45/195,231.02 = 41,415.28/x
  3. Step 3: Cross multiply
    130,156.45x = 195,231.02 × 41,415.28
  4. Step 4: Simplify right side
    130,156.45x = 8,085,547,357.99
  5. Step 5: Solve for x
    x = 8,085,547,357.99/130,156.45
  6. Step 6: Final answer
    x = 62,121.76

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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.