Home / 158,171.92-218,292.09-94,508.35

Finding the Fourth Proportional to 158,171.92, 218,292.09 and 94,508.35

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Solution

The fourth proportional to 158,171.92, 218,292.09 and 94,508.35 is: 130,430.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,171.92 : 218,292.09 = 94,508.35 : x
  2. Step 2: Convert to fraction form
    158,171.92/218,292.09 = 94,508.35/x
  3. Step 3: Cross multiply
    158,171.92x = 218,292.09 × 94,508.35
  4. Step 4: Simplify right side
    158,171.92x = 20,630,425,243.95
  5. Step 5: Solve for x
    x = 20,630,425,243.95/158,171.92
  6. Step 6: Final answer
    x = 130,430.39

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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.