Home / 133,315.04-183,986.15-75,971.90

Finding the Fourth Proportional to 133,315.04, 183,986.15 and 75,971.90

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Solution

The fourth proportional to 133,315.04, 183,986.15 and 75,971.90 is: 104,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,315.04 : 183,986.15 = 75,971.90 : x
  2. Step 2: Convert to fraction form
    133,315.04/183,986.15 = 75,971.90/x
  3. Step 3: Cross multiply
    133,315.04x = 183,986.15 × 75,971.90
  4. Step 4: Simplify right side
    133,315.04x = 13,977,776,089.39
  5. Step 5: Solve for x
    x = 13,977,776,089.39/133,315.04
  6. Step 6: Final answer
    x = 104,847.71

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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.