Home / 141,516.32-212,197.62-70,282.67

Finding the Fourth Proportional to 141,516.32, 212,197.62 and 70,282.67

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Solution

The fourth proportional to 141,516.32, 212,197.62 and 70,282.67 is: 105,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,516.32 : 212,197.62 = 70,282.67 : x
  2. Step 2: Convert to fraction form
    141,516.32/212,197.62 = 70,282.67/x
  3. Step 3: Cross multiply
    141,516.32x = 212,197.62 × 70,282.67
  4. Step 4: Simplify right side
    141,516.32x = 14,913,815,301.25
  5. Step 5: Solve for x
    x = 14,913,815,301.25/141,516.32
  6. Step 6: Final answer
    x = 105,385.83

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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.