Home / 134,844.08-186,088.59-74,419.39

Finding the Fourth Proportional to 134,844.08, 186,088.59 and 74,419.39

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Solution

The fourth proportional to 134,844.08, 186,088.59 and 74,419.39 is: 102,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,844.08 : 186,088.59 = 74,419.39 : x
  2. Step 2: Convert to fraction form
    134,844.08/186,088.59 = 74,419.39/x
  3. Step 3: Cross multiply
    134,844.08x = 186,088.59 × 74,419.39
  4. Step 4: Simplify right side
    134,844.08x = 13,848,599,586.37
  5. Step 5: Solve for x
    x = 13,848,599,586.37/134,844.08
  6. Step 6: Final answer
    x = 102,700.84

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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.