Home / 152,963.20-211,123.04-85,003.52

Finding the Fourth Proportional to 152,963.20, 211,123.04 and 85,003.52

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Solution

The fourth proportional to 152,963.20, 211,123.04 and 85,003.52 is: 117,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,963.20 : 211,123.04 = 85,003.52 : x
  2. Step 2: Convert to fraction form
    152,963.20/211,123.04 = 85,003.52/x
  3. Step 3: Cross multiply
    152,963.20x = 211,123.04 × 85,003.52
  4. Step 4: Simplify right side
    152,963.20x = 17,946,201,553.10
  5. Step 5: Solve for x
    x = 17,946,201,553.10/152,963.20
  6. Step 6: Final answer
    x = 117,323.65

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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.