Home / 144,218.48-199,022.37-83,790.35

Finding the Fourth Proportional to 144,218.48, 199,022.37 and 83,790.35

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Solution

The fourth proportional to 144,218.48, 199,022.37 and 83,790.35 is: 115,631.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,218.48 : 199,022.37 = 83,790.35 : x
  2. Step 2: Convert to fraction form
    144,218.48/199,022.37 = 83,790.35/x
  3. Step 3: Cross multiply
    144,218.48x = 199,022.37 × 83,790.35
  4. Step 4: Simplify right side
    144,218.48x = 16,676,153,477.14
  5. Step 5: Solve for x
    x = 16,676,153,477.14/144,218.48
  6. Step 6: Final answer
    x = 115,631.19

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1.5x scale

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.