Home / 209,371.04-313,937.59-142,891.71

Finding the Fourth Proportional to 209,371.04, 313,937.59 and 142,891.71

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Solution

The fourth proportional to 209,371.04, 313,937.59 and 142,891.71 is: 214,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,371.04 : 313,937.59 = 142,891.71 : x
  2. Step 2: Convert to fraction form
    209,371.04/313,937.59 = 142,891.71/x
  3. Step 3: Cross multiply
    209,371.04x = 313,937.59 × 142,891.71
  4. Step 4: Simplify right side
    209,371.04x = 44,859,076,784.23
  5. Step 5: Solve for x
    x = 44,859,076,784.23/209,371.04
  6. Step 6: Final answer
    x = 214,256.36

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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.