Home / 204,312.69-281,954.10-112,442.55

Finding the Fourth Proportional to 204,312.69, 281,954.10 and 112,442.55

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Solution

The fourth proportional to 204,312.69, 281,954.10 and 112,442.55 is: 155,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,312.69 : 281,954.10 = 112,442.55 : x
  2. Step 2: Convert to fraction form
    204,312.69/281,954.10 = 112,442.55/x
  3. Step 3: Cross multiply
    204,312.69x = 281,954.10 × 112,442.55
  4. Step 4: Simplify right side
    204,312.69x = 31,703,637,986.96
  5. Step 5: Solve for x
    x = 31,703,637,986.96/204,312.69
  6. Step 6: Final answer
    x = 155,172.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.