Home / 144,970.36-200,058.66-81,309.52

Finding the Fourth Proportional to 144,970.36, 200,058.66 and 81,309.52

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Solution

The fourth proportional to 144,970.36, 200,058.66 and 81,309.52 is: 112,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,970.36 : 200,058.66 = 81,309.52 : x
  2. Step 2: Convert to fraction form
    144,970.36/200,058.66 = 81,309.52/x
  3. Step 3: Cross multiply
    144,970.36x = 200,058.66 × 81,309.52
  4. Step 4: Simplify right side
    144,970.36x = 16,266,673,866.52
  5. Step 5: Solve for x
    x = 16,266,673,866.52/144,970.36
  6. Step 6: Final answer
    x = 112,206.90

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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.