Home / 121,320.30-181,985.85-41,357.10

Finding the Fourth Proportional to 121,320.30, 181,985.85 and 41,357.10

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Solution

The fourth proportional to 121,320.30, 181,985.85 and 41,357.10 is: 62,037.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320.30 : 181,985.85 = 41,357.10 : x
  2. Step 2: Convert to fraction form
    121,320.30/181,985.85 = 41,357.10/x
  3. Step 3: Cross multiply
    121,320.30x = 181,985.85 × 41,357.10
  4. Step 4: Simplify right side
    121,320.30x = 7,526,406,997.04
  5. Step 5: Solve for x
    x = 7,526,406,997.04/121,320.30
  6. Step 6: Final answer
    x = 62,037.49

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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.