Home / 144,130.80-198,460.16-130,614.08

Finding the Fourth Proportional to 144,130.80, 198,460.16 and 130,614.08

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Solution

The fourth proportional to 144,130.80, 198,460.16 and 130,614.08 is: 179,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,130.80 : 198,460.16 = 130,614.08 : x
  2. Step 2: Convert to fraction form
    144,130.80/198,460.16 = 130,614.08/x
  3. Step 3: Cross multiply
    144,130.80x = 198,460.16 × 130,614.08
  4. Step 4: Simplify right side
    144,130.80x = 25,921,691,215.05
  5. Step 5: Solve for x
    x = 25,921,691,215.05/144,130.80
  6. Step 6: Final answer
    x = 179,848.38

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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.