Home / 219,756.36-329,684.25-70,005.18

Finding the Fourth Proportional to 219,756.36, 329,684.25 and 70,005.18

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Solution

The fourth proportional to 219,756.36, 329,684.25 and 70,005.18 is: 105,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,756.36 : 329,684.25 = 70,005.18 : x
  2. Step 2: Convert to fraction form
    219,756.36/329,684.25 = 70,005.18/x
  3. Step 3: Cross multiply
    219,756.36x = 329,684.25 × 70,005.18
  4. Step 4: Simplify right side
    219,756.36x = 23,079,605,264.42
  5. Step 5: Solve for x
    x = 23,079,605,264.42/219,756.36
  6. Step 6: Final answer
    x = 105,023.61

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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.