Home / 217,746.81-326,620.09-67,999.93

Finding the Fourth Proportional to 217,746.81, 326,620.09 and 67,999.93

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Solution

The fourth proportional to 217,746.81, 326,620.09 and 67,999.93 is: 101,999.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746.81 : 326,620.09 = 67,999.93 : x
  2. Step 2: Convert to fraction form
    217,746.81/326,620.09 = 67,999.93/x
  3. Step 3: Cross multiply
    217,746.81x = 326,620.09 × 67,999.93
  4. Step 4: Simplify right side
    217,746.81x = 22,210,143,256.59
  5. Step 5: Solve for x
    x = 22,210,143,256.59/217,746.81
  6. Step 6: Final answer
    x = 101,999.86

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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.