Home / 148,081.48-221,889.74-100,719.16

Finding the Fourth Proportional to 148,081.48, 221,889.74 and 100,719.16

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Solution

The fourth proportional to 148,081.48, 221,889.74 and 100,719.16 is: 150,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,081.48 : 221,889.74 = 100,719.16 : x
  2. Step 2: Convert to fraction form
    148,081.48/221,889.74 = 100,719.16/x
  3. Step 3: Cross multiply
    148,081.48x = 221,889.74 × 100,719.16
  4. Step 4: Simplify right side
    148,081.48x = 22,348,548,225.42
  5. Step 5: Solve for x
    x = 22,348,548,225.42/148,081.48
  6. Step 6: Final answer
    x = 150,920.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.