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Finding the Fourth Proportional to 174,185.60, 260,889.60 and 134,430.80

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Solution

The fourth proportional to 174,185.60, 260,889.60 and 134,430.80 is: 201,346.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,185.60 : 260,889.60 = 134,430.80 : x
  2. Step 2: Convert to fraction form
    174,185.60/260,889.60 = 134,430.80/x
  3. Step 3: Cross multiply
    174,185.60x = 260,889.60 × 134,430.80
  4. Step 4: Simplify right side
    174,185.60x = 35,071,597,639.68
  5. Step 5: Solve for x
    x = 35,071,597,639.68/174,185.60
  6. Step 6: Final answer
    x = 201,346.14

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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.