Home / 144,822.36-199,881.90-84,405.72

Finding the Fourth Proportional to 144,822.36, 199,881.90 and 84,405.72

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Solution

The fourth proportional to 144,822.36, 199,881.90 and 84,405.72 is: 116,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,822.36 : 199,881.90 = 84,405.72 : x
  2. Step 2: Convert to fraction form
    144,822.36/199,881.90 = 84,405.72/x
  3. Step 3: Cross multiply
    144,822.36x = 199,881.90 × 84,405.72
  4. Step 4: Simplify right side
    144,822.36x = 16,871,175,684.47
  5. Step 5: Solve for x
    x = 16,871,175,684.47/144,822.36
  6. Step 6: Final answer
    x = 116,495.65

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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.