Home / 141,906.12-212,875.65-47,144.76

Finding the Fourth Proportional to 141,906.12, 212,875.65 and 47,144.76

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Solution

The fourth proportional to 141,906.12, 212,875.65 and 47,144.76 is: 70,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,906.12 : 212,875.65 = 47,144.76 : x
  2. Step 2: Convert to fraction form
    141,906.12/212,875.65 = 47,144.76/x
  3. Step 3: Cross multiply
    141,906.12x = 212,875.65 × 47,144.76
  4. Step 4: Simplify right side
    141,906.12x = 10,035,971,429.09
  5. Step 5: Solve for x
    x = 10,035,971,429.09/141,906.12
  6. Step 6: Final answer
    x = 70,722.61

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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.