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Finding the Fourth Proportional to 101,128.68, 151,693.02 and 94,895.72

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Solution

The fourth proportional to 101,128.68, 151,693.02 and 94,895.72 is: 142,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,128.68 : 151,693.02 = 94,895.72 : x
  2. Step 2: Convert to fraction form
    101,128.68/151,693.02 = 94,895.72/x
  3. Step 3: Cross multiply
    101,128.68x = 151,693.02 × 94,895.72
  4. Step 4: Simplify right side
    101,128.68x = 14,395,018,351.87
  5. Step 5: Solve for x
    x = 14,395,018,351.87/101,128.68
  6. Step 6: Final answer
    x = 142,343.58

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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.