Home / 141,826.70-212,740.05-78,841.10

Finding the Fourth Proportional to 141,826.70, 212,740.05 and 78,841.10

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Solution

The fourth proportional to 141,826.70, 212,740.05 and 78,841.10 is: 118,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,826.70 : 212,740.05 = 78,841.10 : x
  2. Step 2: Convert to fraction form
    141,826.70/212,740.05 = 78,841.10/x
  3. Step 3: Cross multiply
    141,826.70x = 212,740.05 × 78,841.10
  4. Step 4: Simplify right side
    141,826.70x = 16,772,659,556.06
  5. Step 5: Solve for x
    x = 16,772,659,556.06/141,826.70
  6. Step 6: Final answer
    x = 118,261.65

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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.