Home / 133,881.02-200,681.40-45,103.85

Finding the Fourth Proportional to 133,881.02, 200,681.40 and 45,103.85

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Solution

The fourth proportional to 133,881.02, 200,681.40 and 45,103.85 is: 67,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,881.02 : 200,681.40 = 45,103.85 : x
  2. Step 2: Convert to fraction form
    133,881.02/200,681.40 = 45,103.85/x
  3. Step 3: Cross multiply
    133,881.02x = 200,681.40 × 45,103.85
  4. Step 4: Simplify right side
    133,881.02x = 9,051,502,759.98
  5. Step 5: Solve for x
    x = 9,051,502,759.98/133,881.02
  6. Step 6: Final answer
    x = 67,608.56

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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.