Home / 105,805.32-158,707.26-26,918.84

Finding the Fourth Proportional to 105,805.32, 158,707.26 and 26,918.84

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Solution

The fourth proportional to 105,805.32, 158,707.26 and 26,918.84 is: 40,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,805.32 : 158,707.26 = 26,918.84 : x
  2. Step 2: Convert to fraction form
    105,805.32/158,707.26 = 26,918.84/x
  3. Step 3: Cross multiply
    105,805.32x = 158,707.26 × 26,918.84
  4. Step 4: Simplify right side
    105,805.32x = 4,272,215,338.78
  5. Step 5: Solve for x
    x = 4,272,215,338.78/105,805.32
  6. Step 6: Final answer
    x = 40,378.08

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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.