Home / 202,930.95-280,045.04-112,290.74

Finding the Fourth Proportional to 202,930.95, 280,045.04 and 112,290.74

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Solution

The fourth proportional to 202,930.95, 280,045.04 and 112,290.74 is: 154,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,930.95 : 280,045.04 = 112,290.74 : x
  2. Step 2: Convert to fraction form
    202,930.95/280,045.04 = 112,290.74/x
  3. Step 3: Cross multiply
    202,930.95x = 280,045.04 × 112,290.74
  4. Step 4: Simplify right side
    202,930.95x = 31,446,464,774.93
  5. Step 5: Solve for x
    x = 31,446,464,774.93/202,930.95
  6. Step 6: Final answer
    x = 154,961.40

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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.