Home / 219,125.04-328,539.24-85,922.16

Finding the Fourth Proportional to 219,125.04, 328,539.24 and 85,922.16

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Solution

The fourth proportional to 219,125.04, 328,539.24 and 85,922.16 is: 128,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,125.04 : 328,539.24 = 85,922.16 : x
  2. Step 2: Convert to fraction form
    219,125.04/328,539.24 = 85,922.16/x
  3. Step 3: Cross multiply
    219,125.04x = 328,539.24 × 85,922.16
  4. Step 4: Simplify right side
    219,125.04x = 28,228,801,145.56
  5. Step 5: Solve for x
    x = 28,228,801,145.56/219,125.04
  6. Step 6: Final answer
    x = 128,825.08

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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.