Home / 189,182.97-261,074.43-104,303.07

Finding the Fourth Proportional to 189,182.97, 261,074.43 and 104,303.07

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Solution

The fourth proportional to 189,182.97, 261,074.43 and 104,303.07 is: 143,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,182.97 : 261,074.43 = 104,303.07 : x
  2. Step 2: Convert to fraction form
    189,182.97/261,074.43 = 104,303.07/x
  3. Step 3: Cross multiply
    189,182.97x = 261,074.43 × 104,303.07
  4. Step 4: Simplify right side
    189,182.97x = 27,230,864,547.50
  5. Step 5: Solve for x
    x = 27,230,864,547.50/189,182.97
  6. Step 6: Final answer
    x = 143,939.30

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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.