Home / 190,567.08-263,066.98-133,431

Finding the Fourth Proportional to 190,567.08, 263,066.98 and 133,431

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Solution

The fourth proportional to 190,567.08, 263,066.98 and 133,431 is: 184,193.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,567.08 : 263,066.98 = 133,431 : x
  2. Step 2: Convert to fraction form
    190,567.08/263,066.98 = 133,431/x
  3. Step 3: Cross multiply
    190,567.08x = 263,066.98 × 133,431
  4. Step 4: Simplify right side
    190,567.08x = 35,101,290,208.38
  5. Step 5: Solve for x
    x = 35,101,290,208.38/190,567.08
  6. Step 6: Final answer
    x = 184,193.88

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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.