Home / 181,426.99-272,047.20-81,501.49

Finding the Fourth Proportional to 181,426.99, 272,047.20 and 81,501.49

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Solution

The fourth proportional to 181,426.99, 272,047.20 and 81,501.49 is: 122,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,426.99 : 272,047.20 = 81,501.49 : x
  2. Step 2: Convert to fraction form
    181,426.99/272,047.20 = 81,501.49/x
  3. Step 3: Cross multiply
    181,426.99x = 272,047.20 × 81,501.49
  4. Step 4: Simplify right side
    181,426.99x = 22,172,252,150.33
  5. Step 5: Solve for x
    x = 22,172,252,150.33/181,426.99
  6. Step 6: Final answer
    x = 122,210.33

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1.5x scale

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.