Home / 259,032.19-388,570.15-72,043.69

Finding the Fourth Proportional to 259,032.19, 388,570.15 and 72,043.69

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Solution

The fourth proportional to 259,032.19, 388,570.15 and 72,043.69 is: 108,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,032.19 : 388,570.15 = 72,043.69 : x
  2. Step 2: Convert to fraction form
    259,032.19/388,570.15 = 72,043.69/x
  3. Step 3: Cross multiply
    259,032.19x = 388,570.15 × 72,043.69
  4. Step 4: Simplify right side
    259,032.19x = 27,994,026,548.48
  5. Step 5: Solve for x
    x = 27,994,026,548.48/259,032.19
  6. Step 6: Final answer
    x = 108,071.61

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1.5x scale

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.