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Finding the Fourth Proportional to 85,036.60, 127,554.90 and 73,226.80

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Solution

The fourth proportional to 85,036.60, 127,554.90 and 73,226.80 is: 109,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,036.60 : 127,554.90 = 73,226.80 : x
  2. Step 2: Convert to fraction form
    85,036.60/127,554.90 = 73,226.80/x
  3. Step 3: Cross multiply
    85,036.60x = 127,554.90 × 73,226.80
  4. Step 4: Simplify right side
    85,036.60x = 9,340,437,151.32
  5. Step 5: Solve for x
    x = 9,340,437,151.32/85,036.60
  6. Step 6: Final answer
    x = 109,840.20

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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.