Home / 121,090.34-181,664.68-37,984.34

Finding the Fourth Proportional to 121,090.34, 181,664.68 and 37,984.34

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Solution

The fourth proportional to 121,090.34, 181,664.68 and 37,984.34 is: 56,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,090.34 : 181,664.68 = 37,984.34 : x
  2. Step 2: Convert to fraction form
    121,090.34/181,664.68 = 37,984.34/x
  3. Step 3: Cross multiply
    121,090.34x = 181,664.68 × 37,984.34
  4. Step 4: Simplify right side
    121,090.34x = 6,900,412,971.11
  5. Step 5: Solve for x
    x = 6,900,412,971.11/121,090.34
  6. Step 6: Final answer
    x = 56,985.66

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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.