Home / 133,235.37-183,862.58-72,804.62

Finding the Fourth Proportional to 133,235.37, 183,862.58 and 72,804.62

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Solution

The fourth proportional to 133,235.37, 183,862.58 and 72,804.62 is: 100,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,235.37 : 183,862.58 = 72,804.62 : x
  2. Step 2: Convert to fraction form
    133,235.37/183,862.58 = 72,804.62/x
  3. Step 3: Cross multiply
    133,235.37x = 183,862.58 × 72,804.62
  4. Step 4: Simplify right side
    133,235.37x = 13,386,045,269.12
  5. Step 5: Solve for x
    x = 13,386,045,269.12/133,235.37
  6. Step 6: Final answer
    x = 100,469.16

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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.