Home / 144,862.46-199,909.48-81,200.26

Finding the Fourth Proportional to 144,862.46, 199,909.48 and 81,200.26

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Solution

The fourth proportional to 144,862.46, 199,909.48 and 81,200.26 is: 112,055.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,862.46 : 199,909.48 = 81,200.26 : x
  2. Step 2: Convert to fraction form
    144,862.46/199,909.48 = 81,200.26/x
  3. Step 3: Cross multiply
    144,862.46x = 199,909.48 × 81,200.26
  4. Step 4: Simplify right side
    144,862.46x = 16,232,701,752.46
  5. Step 5: Solve for x
    x = 16,232,701,752.46/144,862.46
  6. Step 6: Final answer
    x = 112,055.96

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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.