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Finding the Fourth Proportional to 163,958.40, 245,937.60 and 53,150.40

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Solution

The fourth proportional to 163,958.40, 245,937.60 and 53,150.40 is: 79,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,958.40 : 245,937.60 = 53,150.40 : x
  2. Step 2: Convert to fraction form
    163,958.40/245,937.60 = 53,150.40/x
  3. Step 3: Cross multiply
    163,958.40x = 245,937.60 × 53,150.40
  4. Step 4: Simplify right side
    163,958.40x = 13,071,681,815.04
  5. Step 5: Solve for x
    x = 13,071,681,815.04/163,958.40
  6. Step 6: Final answer
    x = 79,725.60

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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.