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Finding the Fourth Proportional to 188,903.32, 260,697.50 and 108,330.20

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Solution

The fourth proportional to 188,903.32, 260,697.50 and 108,330.20 is: 149,501.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,903.32 : 260,697.50 = 108,330.20 : x
  2. Step 2: Convert to fraction form
    188,903.32/260,697.50 = 108,330.20/x
  3. Step 3: Cross multiply
    188,903.32x = 260,697.50 × 108,330.20
  4. Step 4: Simplify right side
    188,903.32x = 28,241,412,314.50
  5. Step 5: Solve for x
    x = 28,241,412,314.50/188,903.32
  6. Step 6: Final answer
    x = 149,501.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.