Home / 140,985.36-194,400.36-89,929.80

Finding the Fourth Proportional to 140,985.36, 194,400.36 and 89,929.80

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Solution

The fourth proportional to 140,985.36, 194,400.36 and 89,929.80 is: 124,001.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,985.36 : 194,400.36 = 89,929.80 : x
  2. Step 2: Convert to fraction form
    140,985.36/194,400.36 = 89,929.80/x
  3. Step 3: Cross multiply
    140,985.36x = 194,400.36 × 89,929.80
  4. Step 4: Simplify right side
    140,985.36x = 17,482,385,494.73
  5. Step 5: Solve for x
    x = 17,482,385,494.73/140,985.36
  6. Step 6: Final answer
    x = 124,001.42

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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.