Home / 128,727.15-193,090.74-35,232.90

Finding the Fourth Proportional to 128,727.15, 193,090.74 and 35,232.90

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Solution

The fourth proportional to 128,727.15, 193,090.74 and 35,232.90 is: 52,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,727.15 : 193,090.74 = 35,232.90 : x
  2. Step 2: Convert to fraction form
    128,727.15/193,090.74 = 35,232.90/x
  3. Step 3: Cross multiply
    128,727.15x = 193,090.74 × 35,232.90
  4. Step 4: Simplify right side
    128,727.15x = 6,803,146,733.35
  5. Step 5: Solve for x
    x = 6,803,146,733.35/128,727.15
  6. Step 6: Final answer
    x = 52,849.35

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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.