Home / 133,235.33-183,862.53-72,804.65

Finding the Fourth Proportional to 133,235.33, 183,862.53 and 72,804.65

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Solution

The fourth proportional to 133,235.33, 183,862.53 and 72,804.65 is: 100,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,235.33 : 183,862.53 = 72,804.65 : x
  2. Step 2: Convert to fraction form
    133,235.33/183,862.53 = 72,804.65/x
  3. Step 3: Cross multiply
    133,235.33x = 183,862.53 × 72,804.65
  4. Step 4: Simplify right side
    133,235.33x = 13,386,046,225.45
  5. Step 5: Solve for x
    x = 13,386,046,225.45/133,235.33
  6. Step 6: Final answer
    x = 100,469.20

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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.