Home / 140,328.74-193,858.56-121,433.06

Finding the Fourth Proportional to 140,328.74, 193,858.56 and 121,433.06

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Solution

The fourth proportional to 140,328.74, 193,858.56 and 121,433.06 is: 167,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,328.74 : 193,858.56 = 121,433.06 : x
  2. Step 2: Convert to fraction form
    140,328.74/193,858.56 = 121,433.06/x
  3. Step 3: Cross multiply
    140,328.74x = 193,858.56 × 121,433.06
  4. Step 4: Simplify right side
    140,328.74x = 23,540,837,178.70
  5. Step 5: Solve for x
    x = 23,540,837,178.70/140,328.74
  6. Step 6: Final answer
    x = 167,754.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.