Home / 77,197.46-115,833.09-43,490.32

Finding the Fourth Proportional to 77,197.46, 115,833.09 and 43,490.32

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Solution

The fourth proportional to 77,197.46, 115,833.09 and 43,490.32 is: 65,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,197.46 : 115,833.09 = 43,490.32 : x
  2. Step 2: Convert to fraction form
    77,197.46/115,833.09 = 43,490.32/x
  3. Step 3: Cross multiply
    77,197.46x = 115,833.09 × 43,490.32
  4. Step 4: Simplify right side
    77,197.46x = 5,037,617,779.56
  5. Step 5: Solve for x
    x = 5,037,617,779.56/77,197.46
  6. Step 6: Final answer
    x = 65,256.27

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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.