Home / 121,345.26-181,900.31-46,407.71

Finding the Fourth Proportional to 121,345.26, 181,900.31 and 46,407.71

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Solution

The fourth proportional to 121,345.26, 181,900.31 and 46,407.71 is: 69,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,345.26 : 181,900.31 = 46,407.71 : x
  2. Step 2: Convert to fraction form
    121,345.26/181,900.31 = 46,407.71/x
  3. Step 3: Cross multiply
    121,345.26x = 181,900.31 × 46,407.71
  4. Step 4: Simplify right side
    121,345.26x = 8,441,575,693.85
  5. Step 5: Solve for x
    x = 8,441,575,693.85/121,345.26
  6. Step 6: Final answer
    x = 69,566.59

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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.