Home / 217,555.79-326,332.69-67,796.19

Finding the Fourth Proportional to 217,555.79, 326,332.69 and 67,796.19

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Solution

The fourth proportional to 217,555.79, 326,332.69 and 67,796.19 is: 101,693.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,555.79 : 326,332.69 = 67,796.19 : x
  2. Step 2: Convert to fraction form
    217,555.79/326,332.69 = 67,796.19/x
  3. Step 3: Cross multiply
    217,555.79x = 326,332.69 × 67,796.19
  4. Step 4: Simplify right side
    217,555.79x = 22,124,112,884.96
  5. Step 5: Solve for x
    x = 22,124,112,884.96/217,555.79
  6. Step 6: Final answer
    x = 101,693.98

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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.