Home / 210,712.73-290,759.69-124,674.35

Finding the Fourth Proportional to 210,712.73, 290,759.69 and 124,674.35

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Solution

The fourth proportional to 210,712.73, 290,759.69 and 124,674.35 is: 172,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,712.73 : 290,759.69 = 124,674.35 : x
  2. Step 2: Convert to fraction form
    210,712.73/290,759.69 = 124,674.35/x
  3. Step 3: Cross multiply
    210,712.73x = 290,759.69 × 124,674.35
  4. Step 4: Simplify right side
    210,712.73x = 36,250,274,214.84
  5. Step 5: Solve for x
    x = 36,250,274,214.84/210,712.73
  6. Step 6: Final answer
    x = 172,036.47

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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.