Home / 121,051.28-181,606.10-37,945.28

Finding the Fourth Proportional to 121,051.28, 181,606.10 and 37,945.28

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Solution

The fourth proportional to 121,051.28, 181,606.10 and 37,945.28 is: 56,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,051.28 : 181,606.10 = 37,945.28 : x
  2. Step 2: Convert to fraction form
    121,051.28/181,606.10 = 37,945.28/x
  3. Step 3: Cross multiply
    121,051.28x = 181,606.10 × 37,945.28
  4. Step 4: Simplify right side
    121,051.28x = 6,891,094,314.21
  5. Step 5: Solve for x
    x = 6,891,094,314.21/121,051.28
  6. Step 6: Final answer
    x = 56,927.07

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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.