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Finding the Fourth Proportional to 110,094.81, 151,928.25 and 64,775.72

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Solution

The fourth proportional to 110,094.81, 151,928.25 and 64,775.72 is: 89,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,094.81 : 151,928.25 = 64,775.72 : x
  2. Step 2: Convert to fraction form
    110,094.81/151,928.25 = 64,775.72/x
  3. Step 3: Cross multiply
    110,094.81x = 151,928.25 × 64,775.72
  4. Step 4: Simplify right side
    110,094.81x = 9,841,261,022.45
  5. Step 5: Solve for x
    x = 9,841,261,022.45/110,094.81
  6. Step 6: Final answer
    x = 89,388.96

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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.