Home / 158,910.36-219,265.26-90,948.12

Finding the Fourth Proportional to 158,910.36, 219,265.26 and 90,948.12

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Solution

The fourth proportional to 158,910.36, 219,265.26 and 90,948.12 is: 125,490.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,910.36 : 219,265.26 = 90,948.12 : x
  2. Step 2: Convert to fraction form
    158,910.36/219,265.26 = 90,948.12/x
  3. Step 3: Cross multiply
    158,910.36x = 219,265.26 × 90,948.12
  4. Step 4: Simplify right side
    158,910.36x = 19,941,763,178.31
  5. Step 5: Solve for x
    x = 19,941,763,178.31/158,910.36
  6. Step 6: Final answer
    x = 125,490.64

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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.