Home / 144,208.02-199,005.90-83,814

Finding the Fourth Proportional to 144,208.02, 199,005.90 and 83,814

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Solution

The fourth proportional to 144,208.02, 199,005.90 and 83,814 is: 115,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,208.02 : 199,005.90 = 83,814 : x
  2. Step 2: Convert to fraction form
    144,208.02/199,005.90 = 83,814/x
  3. Step 3: Cross multiply
    144,208.02x = 199,005.90 × 83,814
  4. Step 4: Simplify right side
    144,208.02x = 16,679,480,502.60
  5. Step 5: Solve for x
    x = 16,679,480,502.60/144,208.02
  6. Step 6: Final answer
    x = 115,662.64

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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.