Home / 74,246.40-111,369.60-56,750.40

Finding the Fourth Proportional to 74,246.40, 111,369.60 and 56,750.40

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Solution

The fourth proportional to 74,246.40, 111,369.60 and 56,750.40 is: 85,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,246.40 : 111,369.60 = 56,750.40 : x
  2. Step 2: Convert to fraction form
    74,246.40/111,369.60 = 56,750.40/x
  3. Step 3: Cross multiply
    74,246.40x = 111,369.60 × 56,750.40
  4. Step 4: Simplify right side
    74,246.40x = 6,320,269,347.84
  5. Step 5: Solve for x
    x = 6,320,269,347.84/74,246.40
  6. Step 6: Final answer
    x = 85,125.60

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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.