Home / 112,384.55-168,659.78-53,220.12

Finding the Fourth Proportional to 112,384.55, 168,659.78 and 53,220.12

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Solution

The fourth proportional to 112,384.55, 168,659.78 and 53,220.12 is: 79,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,384.55 : 168,659.78 = 53,220.12 : x
  2. Step 2: Convert to fraction form
    112,384.55/168,659.78 = 53,220.12/x
  3. Step 3: Cross multiply
    112,384.55x = 168,659.78 × 53,220.12
  4. Step 4: Simplify right side
    112,384.55x = 8,976,093,464.67
  5. Step 5: Solve for x
    x = 8,976,093,464.67/112,384.55
  6. Step 6: Final answer
    x = 79,869.46

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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.