Home / 141,786.06-212,709.60-70,746.90

Finding the Fourth Proportional to 141,786.06, 212,709.60 and 70,746.90

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Solution

The fourth proportional to 141,786.06, 212,709.60 and 70,746.90 is: 106,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.06 : 212,709.60 = 70,746.90 : x
  2. Step 2: Convert to fraction form
    141,786.06/212,709.60 = 70,746.90/x
  3. Step 3: Cross multiply
    141,786.06x = 212,709.60 × 70,746.90
  4. Step 4: Simplify right side
    141,786.06x = 15,048,544,800.24
  5. Step 5: Solve for x
    x = 15,048,544,800.24/141,786.06
  6. Step 6: Final answer
    x = 106,135.57

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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.