Home / 76,160.02-114,240-20,000.02

Finding the Fourth Proportional to 76,160.02, 114,240 and 20,000.02

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Solution

The fourth proportional to 76,160.02, 114,240 and 20,000.02 is: 30,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.02 : 114,240 = 20,000.02 : x
  2. Step 2: Convert to fraction form
    76,160.02/114,240 = 20,000.02/x
  3. Step 3: Cross multiply
    76,160.02x = 114,240 × 20,000.02
  4. Step 4: Simplify right side
    76,160.02x = 2,284,802,284.80
  5. Step 5: Solve for x
    x = 2,284,802,284.80/76,160.02
  6. Step 6: Final answer
    x = 30,000.02

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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.