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Finding the Fourth Proportional to 163,933.60, 245,900.40 and 146,218.90

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Solution

The fourth proportional to 163,933.60, 245,900.40 and 146,218.90 is: 219,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,933.60 : 245,900.40 = 146,218.90 : x
  2. Step 2: Convert to fraction form
    163,933.60/245,900.40 = 146,218.90/x
  3. Step 3: Cross multiply
    163,933.60x = 245,900.40 × 146,218.90
  4. Step 4: Simplify right side
    163,933.60x = 35,955,285,997.56
  5. Step 5: Solve for x
    x = 35,955,285,997.56/163,933.60
  6. Step 6: Final answer
    x = 219,328.35

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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.