Home / 144,443.85-199,387.28-129,309.35

Finding the Fourth Proportional to 144,443.85, 199,387.28 and 129,309.35

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Solution

The fourth proportional to 144,443.85, 199,387.28 and 129,309.35 is: 178,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,443.85 : 199,387.28 = 129,309.35 : x
  2. Step 2: Convert to fraction form
    144,443.85/199,387.28 = 129,309.35/x
  3. Step 3: Cross multiply
    144,443.85x = 199,387.28 × 129,309.35
  4. Step 4: Simplify right side
    144,443.85x = 25,782,639,575.07
  5. Step 5: Solve for x
    x = 25,782,639,575.07/144,443.85
  6. Step 6: Final answer
    x = 178,495.93

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1.5x scale

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.