Home / 76,128.08-114,192.88-34,010.24

Finding the Fourth Proportional to 76,128.08, 114,192.88 and 34,010.24

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Solution

The fourth proportional to 76,128.08, 114,192.88 and 34,010.24 is: 51,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128.08 : 114,192.88 = 34,010.24 : x
  2. Step 2: Convert to fraction form
    76,128.08/114,192.88 = 34,010.24/x
  3. Step 3: Cross multiply
    76,128.08x = 114,192.88 × 34,010.24
  4. Step 4: Simplify right side
    76,128.08x = 3,883,727,255.09
  5. Step 5: Solve for x
    x = 3,883,727,255.09/76,128.08
  6. Step 6: Final answer
    x = 51,015.70

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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.