Home / 272,989.57-376,725.97-152,128.20

Finding the Fourth Proportional to 272,989.57, 376,725.97 and 152,128.20

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Solution

The fourth proportional to 272,989.57, 376,725.97 and 152,128.20 is: 209,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,989.57 : 376,725.97 = 152,128.20 : x
  2. Step 2: Convert to fraction form
    272,989.57/376,725.97 = 152,128.20/x
  3. Step 3: Cross multiply
    272,989.57x = 376,725.97 × 152,128.20
  4. Step 4: Simplify right side
    272,989.57x = 57,310,643,709.35
  5. Step 5: Solve for x
    x = 57,310,643,709.35/272,989.57
  6. Step 6: Final answer
    x = 209,937.12

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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.