Home / 144,052.12-198,810.73-80,403.13

Finding the Fourth Proportional to 144,052.12, 198,810.73 and 80,403.13

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Solution

The fourth proportional to 144,052.12, 198,810.73 and 80,403.13 is: 110,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.12 : 198,810.73 = 80,403.13 : x
  2. Step 2: Convert to fraction form
    144,052.12/198,810.73 = 80,403.13/x
  3. Step 3: Cross multiply
    144,052.12x = 198,810.73 × 80,403.13
  4. Step 4: Simplify right side
    144,052.12x = 15,985,004,969.58
  5. Step 5: Solve for x
    x = 15,985,004,969.58/144,052.12
  6. Step 6: Final answer
    x = 110,966.82

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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.