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Finding the Fourth Proportional to 134,484.37, 185,526.09 and 86,753.09

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Solution

The fourth proportional to 134,484.37, 185,526.09 and 86,753.09 is: 119,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,484.37 : 185,526.09 = 86,753.09 : x
  2. Step 2: Convert to fraction form
    134,484.37/185,526.09 = 86,753.09/x
  3. Step 3: Cross multiply
    134,484.37x = 185,526.09 × 86,753.09
  4. Step 4: Simplify right side
    134,484.37x = 16,094,961,583.12
  5. Step 5: Solve for x
    x = 16,094,961,583.12/134,484.37
  6. Step 6: Final answer
    x = 119,679.05

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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.