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Finding the Fourth Proportional to 163,633.40, 245,450.10 and 132,529.40

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Solution

The fourth proportional to 163,633.40, 245,450.10 and 132,529.40 is: 198,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,633.40 : 245,450.10 = 132,529.40 : x
  2. Step 2: Convert to fraction form
    163,633.40/245,450.10 = 132,529.40/x
  3. Step 3: Cross multiply
    163,633.40x = 245,450.10 × 132,529.40
  4. Step 4: Simplify right side
    163,633.40x = 32,529,354,482.94
  5. Step 5: Solve for x
    x = 32,529,354,482.94/163,633.40
  6. Step 6: Final answer
    x = 198,794.10

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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.