Home / 190,607.61-263,090.12-118,945.29

Finding the Fourth Proportional to 190,607.61, 263,090.12 and 118,945.29

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Solution

The fourth proportional to 190,607.61, 263,090.12 and 118,945.29 is: 164,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,607.61 : 263,090.12 = 118,945.29 : x
  2. Step 2: Convert to fraction form
    190,607.61/263,090.12 = 118,945.29/x
  3. Step 3: Cross multiply
    190,607.61x = 263,090.12 × 118,945.29
  4. Step 4: Simplify right side
    190,607.61x = 31,293,330,024.81
  5. Step 5: Solve for x
    x = 31,293,330,024.81/190,607.61
  6. Step 6: Final answer
    x = 164,176.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.