Home / 142,503.49-213,634.50-62,480.81

Finding the Fourth Proportional to 142,503.49, 213,634.50 and 62,480.81

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Solution

The fourth proportional to 142,503.49, 213,634.50 and 62,480.81 is: 93,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,503.49 : 213,634.50 = 62,480.81 : x
  2. Step 2: Convert to fraction form
    142,503.49/213,634.50 = 62,480.81/x
  3. Step 3: Cross multiply
    142,503.49x = 213,634.50 × 62,480.81
  4. Step 4: Simplify right side
    142,503.49x = 13,348,056,571.20
  5. Step 5: Solve for x
    x = 13,348,056,571.20/142,503.49
  6. Step 6: Final answer
    x = 93,668.28

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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.