Home / 108,521.70-162,782.55-73,092.30

Finding the Fourth Proportional to 108,521.70, 162,782.55 and 73,092.30

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Solution

The fourth proportional to 108,521.70, 162,782.55 and 73,092.30 is: 109,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,521.70 : 162,782.55 = 73,092.30 : x
  2. Step 2: Convert to fraction form
    108,521.70/162,782.55 = 73,092.30/x
  3. Step 3: Cross multiply
    108,521.70x = 162,782.55 × 73,092.30
  4. Step 4: Simplify right side
    108,521.70x = 11,898,150,979.37
  5. Step 5: Solve for x
    x = 11,898,150,979.37/108,521.70
  6. Step 6: Final answer
    x = 109,638.45

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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.