Home / 144,131.80-198,461.54-130,615.08

Finding the Fourth Proportional to 144,131.80, 198,461.54 and 130,615.08

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Solution

The fourth proportional to 144,131.80, 198,461.54 and 130,615.08 is: 179,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,131.80 : 198,461.54 = 130,615.08 : x
  2. Step 2: Convert to fraction form
    144,131.80/198,461.54 = 130,615.08/x
  3. Step 3: Cross multiply
    144,131.80x = 198,461.54 × 130,615.08
  4. Step 4: Simplify right side
    144,131.80x = 25,922,069,924.02
  5. Step 5: Solve for x
    x = 25,922,069,924.02/144,131.80
  6. Step 6: Final answer
    x = 179,849.76

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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.