Home / 192,348.10-288,522.15-109,404.10

Finding the Fourth Proportional to 192,348.10, 288,522.15 and 109,404.10

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Solution

The fourth proportional to 192,348.10, 288,522.15 and 109,404.10 is: 164,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,348.10 : 288,522.15 = 109,404.10 : x
  2. Step 2: Convert to fraction form
    192,348.10/288,522.15 = 109,404.10/x
  3. Step 3: Cross multiply
    192,348.10x = 288,522.15 × 109,404.10
  4. Step 4: Simplify right side
    192,348.10x = 31,565,506,150.82
  5. Step 5: Solve for x
    x = 31,565,506,150.82/192,348.10
  6. Step 6: Final answer
    x = 164,106.15

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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.