Home / 119,016.74-164,093.64-87,130.28

Finding the Fourth Proportional to 119,016.74, 164,093.64 and 87,130.28

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Solution

The fourth proportional to 119,016.74, 164,093.64 and 87,130.28 is: 120,130.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,016.74 : 164,093.64 = 87,130.28 : x
  2. Step 2: Convert to fraction form
    119,016.74/164,093.64 = 87,130.28/x
  3. Step 3: Cross multiply
    119,016.74x = 164,093.64 × 87,130.28
  4. Step 4: Simplify right side
    119,016.74x = 14,297,524,799.42
  5. Step 5: Solve for x
    x = 14,297,524,799.42/119,016.74
  6. Step 6: Final answer
    x = 120,130.37

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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.