Home / 112,274.08-168,265.23-45,636.58

Finding the Fourth Proportional to 112,274.08, 168,265.23 and 45,636.58

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Solution

The fourth proportional to 112,274.08, 168,265.23 and 45,636.58 is: 68,395.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,274.08 : 168,265.23 = 45,636.58 : x
  2. Step 2: Convert to fraction form
    112,274.08/168,265.23 = 45,636.58/x
  3. Step 3: Cross multiply
    112,274.08x = 168,265.23 × 45,636.58
  4. Step 4: Simplify right side
    112,274.08x = 7,679,049,630.11
  5. Step 5: Solve for x
    x = 7,679,049,630.11/112,274.08
  6. Step 6: Final answer
    x = 68,395.57

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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.