Home / 276,657.12-415,051.08-89,668.56

Finding the Fourth Proportional to 276,657.12, 415,051.08 and 89,668.56

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Solution

The fourth proportional to 276,657.12, 415,051.08 and 89,668.56 is: 134,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,657.12 : 415,051.08 = 89,668.56 : x
  2. Step 2: Convert to fraction form
    276,657.12/415,051.08 = 89,668.56/x
  3. Step 3: Cross multiply
    276,657.12x = 415,051.08 × 89,668.56
  4. Step 4: Simplify right side
    276,657.12x = 37,217,032,670.04
  5. Step 5: Solve for x
    x = 37,217,032,670.04/276,657.12
  6. Step 6: Final answer
    x = 134,524.04

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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.