Home / 121,208.40-181,798.68-46,326.88

Finding the Fourth Proportional to 121,208.40, 181,798.68 and 46,326.88

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Solution

The fourth proportional to 121,208.40, 181,798.68 and 46,326.88 is: 69,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,208.40 : 181,798.68 = 46,326.88 : x
  2. Step 2: Convert to fraction form
    121,208.40/181,798.68 = 46,326.88/x
  3. Step 3: Cross multiply
    121,208.40x = 181,798.68 × 46,326.88
  4. Step 4: Simplify right side
    121,208.40x = 8,422,165,632.52
  5. Step 5: Solve for x
    x = 8,422,165,632.52/121,208.40
  6. Step 6: Final answer
    x = 69,485.00

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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.