Home / 109,087.72-163,533.08-75,823.44

Finding the Fourth Proportional to 109,087.72, 163,533.08 and 75,823.44

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Solution

The fourth proportional to 109,087.72, 163,533.08 and 75,823.44 is: 113,666.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,087.72 : 163,533.08 = 75,823.44 : x
  2. Step 2: Convert to fraction form
    109,087.72/163,533.08 = 75,823.44/x
  3. Step 3: Cross multiply
    109,087.72x = 163,533.08 × 75,823.44
  4. Step 4: Simplify right side
    109,087.72x = 12,399,640,679.40
  5. Step 5: Solve for x
    x = 12,399,640,679.40/109,087.72
  6. Step 6: Final answer
    x = 113,666.70

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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.