Home / 134,298.47-200,950.77-81,021.33

Finding the Fourth Proportional to 134,298.47, 200,950.77 and 81,021.33

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Solution

The fourth proportional to 134,298.47, 200,950.77 and 81,021.33 is: 121,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,298.47 : 200,950.77 = 81,021.33 : x
  2. Step 2: Convert to fraction form
    134,298.47/200,950.77 = 81,021.33/x
  3. Step 3: Cross multiply
    134,298.47x = 200,950.77 × 81,021.33
  4. Step 4: Simplify right side
    134,298.47x = 16,281,298,649.92
  5. Step 5: Solve for x
    x = 16,281,298,649.92/134,298.47
  6. Step 6: Final answer
    x = 121,232.20

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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.