Home / 112,384.05-168,659.03-53,219.62

Finding the Fourth Proportional to 112,384.05, 168,659.03 and 53,219.62

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Solution

The fourth proportional to 112,384.05, 168,659.03 and 53,219.62 is: 79,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.05 : 168,659.03 = 53,219.62 : x
  2. Step 2: Convert to fraction form
    112,384.05/168,659.03 = 53,219.62/x
  3. Step 3: Cross multiply
    112,384.05x = 168,659.03 × 53,219.62
  4. Step 4: Simplify right side
    112,384.05x = 8,975,969,486.17
  5. Step 5: Solve for x
    x = 8,975,969,486.17/112,384.05
  6. Step 6: Final answer
    x = 79,868.71

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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.