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Finding the Fourth Proportional to 162,323.60, 243,319.80 and 109,738.40

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Solution

The fourth proportional to 162,323.60, 243,319.80 and 109,738.40 is: 164,495.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,323.60 : 243,319.80 = 109,738.40 : x
  2. Step 2: Convert to fraction form
    162,323.60/243,319.80 = 109,738.40/x
  3. Step 3: Cross multiply
    162,323.60x = 243,319.80 × 109,738.40
  4. Step 4: Simplify right side
    162,323.60x = 26,701,525,540.32
  5. Step 5: Solve for x
    x = 26,701,525,540.32/162,323.60
  6. Step 6: Final answer
    x = 164,495.65

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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.