Home / 148,211.40-204,533.82-83,684.28

Finding the Fourth Proportional to 148,211.40, 204,533.82 and 83,684.28

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Solution

The fourth proportional to 148,211.40, 204,533.82 and 83,684.28 is: 115,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,211.40 : 204,533.82 = 83,684.28 : x
  2. Step 2: Convert to fraction form
    148,211.40/204,533.82 = 83,684.28/x
  3. Step 3: Cross multiply
    148,211.40x = 204,533.82 × 83,684.28
  4. Step 4: Simplify right side
    148,211.40x = 17,116,265,462.35
  5. Step 5: Solve for x
    x = 17,116,265,462.35/148,211.40
  6. Step 6: Final answer
    x = 115,485.49

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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.