Home / 285,126.04-393,492.20-164,265.12

Finding the Fourth Proportional to 285,126.04, 393,492.20 and 164,265.12

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Solution

The fourth proportional to 285,126.04, 393,492.20 and 164,265.12 is: 226,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,126.04 : 393,492.20 = 164,265.12 : x
  2. Step 2: Convert to fraction form
    285,126.04/393,492.20 = 164,265.12/x
  3. Step 3: Cross multiply
    285,126.04x = 393,492.20 × 164,265.12
  4. Step 4: Simplify right side
    285,126.04x = 64,637,043,452.06
  5. Step 5: Solve for x
    x = 64,637,043,452.06/285,126.04
  6. Step 6: Final answer
    x = 226,696.39

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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.