Home / 144,606.32-199,554.64-80,069.40

Finding the Fourth Proportional to 144,606.32, 199,554.64 and 80,069.40

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Solution

The fourth proportional to 144,606.32, 199,554.64 and 80,069.40 is: 110,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,606.32 : 199,554.64 = 80,069.40 : x
  2. Step 2: Convert to fraction form
    144,606.32/199,554.64 = 80,069.40/x
  3. Step 3: Cross multiply
    144,606.32x = 199,554.64 × 80,069.40
  4. Step 4: Simplify right side
    144,606.32x = 15,978,220,292.02
  5. Step 5: Solve for x
    x = 15,978,220,292.02/144,606.32
  6. Step 6: Final answer
    x = 110,494.62

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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.