Home / 144,124.31-198,887.78-79,598.24

Finding the Fourth Proportional to 144,124.31, 198,887.78 and 79,598.24

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Solution

The fourth proportional to 144,124.31, 198,887.78 and 79,598.24 is: 109,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,124.31 : 198,887.78 = 79,598.24 : x
  2. Step 2: Convert to fraction form
    144,124.31/198,887.78 = 79,598.24/x
  3. Step 3: Cross multiply
    144,124.31x = 198,887.78 × 79,598.24
  4. Step 4: Simplify right side
    144,124.31x = 15,831,115,853.08
  5. Step 5: Solve for x
    x = 15,831,115,853.08/144,124.31
  6. Step 6: Final answer
    x = 109,843.48

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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.