Home / 112,291.90-154,922.94-72,027.34

Finding the Fourth Proportional to 112,291.90, 154,922.94 and 72,027.34

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Solution

The fourth proportional to 112,291.90, 154,922.94 and 72,027.34 is: 99,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291.90 : 154,922.94 = 72,027.34 : x
  2. Step 2: Convert to fraction form
    112,291.90/154,922.94 = 72,027.34/x
  3. Step 3: Cross multiply
    112,291.90x = 154,922.94 × 72,027.34
  4. Step 4: Simplify right side
    112,291.90x = 11,158,687,273.18
  5. Step 5: Solve for x
    x = 11,158,687,273.18/112,291.90
  6. Step 6: Final answer
    x = 99,372.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.