Home / 158,768.82-219,100.14-87,150.06

Finding the Fourth Proportional to 158,768.82, 219,100.14 and 87,150.06

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Solution

The fourth proportional to 158,768.82, 219,100.14 and 87,150.06 is: 120,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,768.82 : 219,100.14 = 87,150.06 : x
  2. Step 2: Convert to fraction form
    158,768.82/219,100.14 = 87,150.06/x
  3. Step 3: Cross multiply
    158,768.82x = 219,100.14 × 87,150.06
  4. Step 4: Simplify right side
    158,768.82x = 19,094,590,347.01
  5. Step 5: Solve for x
    x = 19,094,590,347.01/158,768.82
  6. Step 6: Final answer
    x = 120,266.63

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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.