Home / 112,288.68-154,984.41-74,055.12

Finding the Fourth Proportional to 112,288.68, 154,984.41 and 74,055.12

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Solution

The fourth proportional to 112,288.68, 154,984.41 and 74,055.12 is: 102,213.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.68 : 154,984.41 = 74,055.12 : x
  2. Step 2: Convert to fraction form
    112,288.68/154,984.41 = 74,055.12/x
  3. Step 3: Cross multiply
    112,288.68x = 154,984.41 × 74,055.12
  4. Step 4: Simplify right side
    112,288.68x = 11,477,389,080.68
  5. Step 5: Solve for x
    x = 11,477,389,080.68/112,288.68
  6. Step 6: Final answer
    x = 102,213.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.