Home / 105,027.03-144,939.78-57,284.82

Finding the Fourth Proportional to 105,027.03, 144,939.78 and 57,284.82

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Solution

The fourth proportional to 105,027.03, 144,939.78 and 57,284.82 is: 79,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.03 : 144,939.78 = 57,284.82 : x
  2. Step 2: Convert to fraction form
    105,027.03/144,939.78 = 57,284.82/x
  3. Step 3: Cross multiply
    105,027.03x = 144,939.78 × 57,284.82
  4. Step 4: Simplify right side
    105,027.03x = 8,302,849,208.14
  5. Step 5: Solve for x
    x = 8,302,849,208.14/105,027.03
  6. Step 6: Final answer
    x = 79,054.40

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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.