Home / 217,014.32-325,521.51-90,585.59

Finding the Fourth Proportional to 217,014.32, 325,521.51 and 90,585.59

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Solution

The fourth proportional to 217,014.32, 325,521.51 and 90,585.59 is: 135,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,014.32 : 325,521.51 = 90,585.59 : x
  2. Step 2: Convert to fraction form
    217,014.32/325,521.51 = 90,585.59/x
  3. Step 3: Cross multiply
    217,014.32x = 325,521.51 × 90,585.59
  4. Step 4: Simplify right side
    217,014.32x = 29,487,558,854.84
  5. Step 5: Solve for x
    x = 29,487,558,854.84/217,014.32
  6. Step 6: Final answer
    x = 135,878.40

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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.