Home / 112,271.11-154,930.26-66,925.72

Finding the Fourth Proportional to 112,271.11, 154,930.26 and 66,925.72

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Solution

The fourth proportional to 112,271.11, 154,930.26 and 66,925.72 is: 92,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,271.11 : 154,930.26 = 66,925.72 : x
  2. Step 2: Convert to fraction form
    112,271.11/154,930.26 = 66,925.72/x
  3. Step 3: Cross multiply
    112,271.11x = 154,930.26 × 66,925.72
  4. Step 4: Simplify right side
    112,271.11x = 10,368,819,200.29
  5. Step 5: Solve for x
    x = 10,368,819,200.29/112,271.11
  6. Step 6: Final answer
    x = 92,355.19

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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.