Home / 103,514.04-155,271.60-28,634.40

Finding the Fourth Proportional to 103,514.04, 155,271.60 and 28,634.40

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Solution

The fourth proportional to 103,514.04, 155,271.60 and 28,634.40 is: 42,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,514.04 : 155,271.60 = 28,634.40 : x
  2. Step 2: Convert to fraction form
    103,514.04/155,271.60 = 28,634.40/x
  3. Step 3: Cross multiply
    103,514.04x = 155,271.60 × 28,634.40
  4. Step 4: Simplify right side
    103,514.04x = 4,446,109,103.04
  5. Step 5: Solve for x
    x = 4,446,109,103.04/103,514.04
  6. Step 6: Final answer
    x = 42,951.75

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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.