Home / 192,204.90-288,307.35-103,631.40

Finding the Fourth Proportional to 192,204.90, 288,307.35 and 103,631.40

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Solution

The fourth proportional to 192,204.90, 288,307.35 and 103,631.40 is: 155,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,204.90 : 288,307.35 = 103,631.40 : x
  2. Step 2: Convert to fraction form
    192,204.90/288,307.35 = 103,631.40/x
  3. Step 3: Cross multiply
    192,204.90x = 288,307.35 × 103,631.40
  4. Step 4: Simplify right side
    192,204.90x = 29,877,694,310.79
  5. Step 5: Solve for x
    x = 29,877,694,310.79/192,204.90
  6. Step 6: Final answer
    x = 155,447.10

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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.