Home / 121,669.38-182,489.67-37,429.38

Finding the Fourth Proportional to 121,669.38, 182,489.67 and 37,429.38

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Solution

The fourth proportional to 121,669.38, 182,489.67 and 37,429.38 is: 56,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,669.38 : 182,489.67 = 37,429.38 : x
  2. Step 2: Convert to fraction form
    121,669.38/182,489.67 = 37,429.38/x
  3. Step 3: Cross multiply
    121,669.38x = 182,489.67 × 37,429.38
  4. Step 4: Simplify right side
    121,669.38x = 6,830,475,204.50
  5. Step 5: Solve for x
    x = 6,830,475,204.50/121,669.38
  6. Step 6: Final answer
    x = 56,139.64

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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.