Home / 158,973.61-219,383.52-87,358.25

Finding the Fourth Proportional to 158,973.61, 219,383.52 and 87,358.25

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Solution

The fourth proportional to 158,973.61, 219,383.52 and 87,358.25 is: 120,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,973.61 : 219,383.52 = 87,358.25 : x
  2. Step 2: Convert to fraction form
    158,973.61/219,383.52 = 87,358.25/x
  3. Step 3: Cross multiply
    158,973.61x = 219,383.52 × 87,358.25
  4. Step 4: Simplify right side
    158,973.61x = 19,164,960,386.04
  5. Step 5: Solve for x
    x = 19,164,960,386.04/158,973.61
  6. Step 6: Final answer
    x = 120,554.35

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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.