Home / 112,664.16-168,935.58-45,162.30

Finding the Fourth Proportional to 112,664.16, 168,935.58 and 45,162.30

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Solution

The fourth proportional to 112,664.16, 168,935.58 and 45,162.30 is: 67,719.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,664.16 : 168,935.58 = 45,162.30 : x
  2. Step 2: Convert to fraction form
    112,664.16/168,935.58 = 45,162.30/x
  3. Step 3: Cross multiply
    112,664.16x = 168,935.58 × 45,162.30
  4. Step 4: Simplify right side
    112,664.16x = 7,629,519,344.63
  5. Step 5: Solve for x
    x = 7,629,519,344.63/112,664.16
  6. Step 6: Final answer
    x = 67,719.13

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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.