Home / 141,003.74-211,685.93-121,140.31

Finding the Fourth Proportional to 141,003.74, 211,685.93 and 121,140.31

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Solution

The fourth proportional to 141,003.74, 211,685.93 and 121,140.31 is: 181,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,003.74 : 211,685.93 = 121,140.31 : x
  2. Step 2: Convert to fraction form
    141,003.74/211,685.93 = 121,140.31/x
  3. Step 3: Cross multiply
    141,003.74x = 211,685.93 × 121,140.31
  4. Step 4: Simplify right side
    141,003.74x = 25,643,699,182.84
  5. Step 5: Solve for x
    x = 25,643,699,182.84/141,003.74
  6. Step 6: Final answer
    x = 181,865.38

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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.