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Finding the Fourth Proportional to 152,517.58, 210,468.83 and 84,540.92

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Solution

The fourth proportional to 152,517.58, 210,468.83 and 84,540.92 is: 116,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,517.58 : 210,468.83 = 84,540.92 : x
  2. Step 2: Convert to fraction form
    152,517.58/210,468.83 = 84,540.92/x
  3. Step 3: Cross multiply
    152,517.58x = 210,468.83 × 84,540.92
  4. Step 4: Simplify right side
    152,517.58x = 17,793,227,520.02
  5. Step 5: Solve for x
    x = 17,793,227,520.02/152,517.58
  6. Step 6: Final answer
    x = 116,663.45

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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.