Home / 215,018.97-296,707.95-118,217.63

Finding the Fourth Proportional to 215,018.97, 296,707.95 and 118,217.63

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Solution

The fourth proportional to 215,018.97, 296,707.95 and 118,217.63 is: 163,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,018.97 : 296,707.95 = 118,217.63 : x
  2. Step 2: Convert to fraction form
    215,018.97/296,707.95 = 118,217.63/x
  3. Step 3: Cross multiply
    215,018.97x = 296,707.95 × 118,217.63
  4. Step 4: Simplify right side
    215,018.97x = 35,076,109,167.62
  5. Step 5: Solve for x
    x = 35,076,109,167.62/215,018.97
  6. Step 6: Final answer
    x = 163,130.30

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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.