Home / 158,735.04-219,056-87,119.68

Finding the Fourth Proportional to 158,735.04, 219,056 and 87,119.68

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Solution

The fourth proportional to 158,735.04, 219,056 and 87,119.68 is: 120,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,735.04 : 219,056 = 87,119.68 : x
  2. Step 2: Convert to fraction form
    158,735.04/219,056 = 87,119.68/x
  3. Step 3: Cross multiply
    158,735.04x = 219,056 × 87,119.68
  4. Step 4: Simplify right side
    158,735.04x = 19,084,088,622.08
  5. Step 5: Solve for x
    x = 19,084,088,622.08/158,735.04
  6. Step 6: Final answer
    x = 120,226.06

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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.