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Finding the Fourth Proportional to 93,548.23, 128,944.90 and 73,094.54

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Solution

The fourth proportional to 93,548.23, 128,944.90 and 73,094.54 is: 100,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,548.23 : 128,944.90 = 73,094.54 : x
  2. Step 2: Convert to fraction form
    93,548.23/128,944.90 = 73,094.54/x
  3. Step 3: Cross multiply
    93,548.23x = 128,944.90 × 73,094.54
  4. Step 4: Simplify right side
    93,548.23x = 9,425,167,803.07
  5. Step 5: Solve for x
    x = 9,425,167,803.07/93,548.23
  6. Step 6: Final answer
    x = 100,751.96

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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.