Home / 144,117.84-198,877.32-80,458.32

Finding the Fourth Proportional to 144,117.84, 198,877.32 and 80,458.32

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Solution

The fourth proportional to 144,117.84, 198,877.32 and 80,458.32 is: 111,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,117.84 : 198,877.32 = 80,458.32 : x
  2. Step 2: Convert to fraction form
    144,117.84/198,877.32 = 80,458.32/x
  3. Step 3: Cross multiply
    144,117.84x = 198,877.32 × 80,458.32
  4. Step 4: Simplify right side
    144,117.84x = 16,001,335,053.30
  5. Step 5: Solve for x
    x = 16,001,335,053.30/144,117.84
  6. Step 6: Final answer
    x = 111,029.52

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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.