Home / 121,266.26-181,855.06-46,349.36

Finding the Fourth Proportional to 121,266.26, 181,855.06 and 46,349.36

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Solution

The fourth proportional to 121,266.26, 181,855.06 and 46,349.36 is: 69,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,266.26 : 181,855.06 = 46,349.36 : x
  2. Step 2: Convert to fraction form
    121,266.26/181,855.06 = 46,349.36/x
  3. Step 3: Cross multiply
    121,266.26x = 181,855.06 × 46,349.36
  4. Step 4: Simplify right side
    121,266.26x = 8,428,865,643.76
  5. Step 5: Solve for x
    x = 8,428,865,643.76/121,266.26
  6. Step 6: Final answer
    x = 69,507.10

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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.