Home / 133,112.36-183,695.45-72,683.52

Finding the Fourth Proportional to 133,112.36, 183,695.45 and 72,683.52

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Solution

The fourth proportional to 133,112.36, 183,695.45 and 72,683.52 is: 100,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,112.36 : 183,695.45 = 72,683.52 : x
  2. Step 2: Convert to fraction form
    133,112.36/183,695.45 = 72,683.52/x
  3. Step 3: Cross multiply
    133,112.36x = 183,695.45 × 72,683.52
  4. Step 4: Simplify right side
    133,112.36x = 13,351,631,550.57
  5. Step 5: Solve for x
    x = 13,351,631,550.57/133,112.36
  6. Step 6: Final answer
    x = 100,303.47

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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.