Home / 94,690.57-142,011.39-28,115.63

Finding the Fourth Proportional to 94,690.57, 142,011.39 and 28,115.63

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Solution

The fourth proportional to 94,690.57, 142,011.39 and 28,115.63 is: 42,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.57 : 142,011.39 = 28,115.63 : x
  2. Step 2: Convert to fraction form
    94,690.57/142,011.39 = 28,115.63/x
  3. Step 3: Cross multiply
    94,690.57x = 142,011.39 × 28,115.63
  4. Step 4: Simplify right side
    94,690.57x = 3,992,739,697.03
  5. Step 5: Solve for x
    x = 3,992,739,697.03/94,690.57
  6. Step 6: Final answer
    x = 42,166.18

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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.