Home / 121,269.86-181,904.80-46,412.97

Finding the Fourth Proportional to 121,269.86, 181,904.80 and 46,412.97

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Solution

The fourth proportional to 121,269.86, 181,904.80 and 46,412.97 is: 69,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,269.86 : 181,904.80 = 46,412.97 : x
  2. Step 2: Convert to fraction form
    121,269.86/181,904.80 = 46,412.97/x
  3. Step 3: Cross multiply
    121,269.86x = 181,904.80 × 46,412.97
  4. Step 4: Simplify right side
    121,269.86x = 8,442,742,025.26
  5. Step 5: Solve for x
    x = 8,442,742,025.26/121,269.86
  6. Step 6: Final answer
    x = 69,619.46

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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.