Home / 121,187.71-181,794.04-46,370.78

Finding the Fourth Proportional to 121,187.71, 181,794.04 and 46,370.78

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Solution

The fourth proportional to 121,187.71, 181,794.04 and 46,370.78 is: 69,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,187.71 : 181,794.04 = 46,370.78 : x
  2. Step 2: Convert to fraction form
    121,187.71/181,794.04 = 46,370.78/x
  3. Step 3: Cross multiply
    121,187.71x = 181,794.04 × 46,370.78
  4. Step 4: Simplify right side
    121,187.71x = 8,429,931,090.98
  5. Step 5: Solve for x
    x = 8,429,931,090.98/121,187.71
  6. Step 6: Final answer
    x = 69,560.94

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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.