Home / 113,800.20-170,894.70-74,531.40

Finding the Fourth Proportional to 113,800.20, 170,894.70 and 74,531.40

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Solution

The fourth proportional to 113,800.20, 170,894.70 and 74,531.40 is: 111,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,800.20 : 170,894.70 = 74,531.40 : x
  2. Step 2: Convert to fraction form
    113,800.20/170,894.70 = 74,531.40/x
  3. Step 3: Cross multiply
    113,800.20x = 170,894.70 × 74,531.40
  4. Step 4: Simplify right side
    113,800.20x = 12,737,021,243.58
  5. Step 5: Solve for x
    x = 12,737,021,243.58/113,800.20
  6. Step 6: Final answer
    x = 111,924.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.