Home / 121,111.16-181,605.68-36,855.16

Finding the Fourth Proportional to 121,111.16, 181,605.68 and 36,855.16

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Solution

The fourth proportional to 121,111.16, 181,605.68 and 36,855.16 is: 55,264.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111.16 : 181,605.68 = 36,855.16 : x
  2. Step 2: Convert to fraction form
    121,111.16/181,605.68 = 36,855.16/x
  3. Step 3: Cross multiply
    121,111.16x = 181,605.68 × 36,855.16
  4. Step 4: Simplify right side
    121,111.16x = 6,693,106,393.31
  5. Step 5: Solve for x
    x = 6,693,106,393.31/121,111.16
  6. Step 6: Final answer
    x = 55,264.16

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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.