Home / 134,808.53-186,041.40-74,383.09

Finding the Fourth Proportional to 134,808.53, 186,041.40 and 74,383.09

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Solution

The fourth proportional to 134,808.53, 186,041.40 and 74,383.09 is: 102,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,808.53 : 186,041.40 = 74,383.09 : x
  2. Step 2: Convert to fraction form
    134,808.53/186,041.40 = 74,383.09/x
  3. Step 3: Cross multiply
    134,808.53x = 186,041.40 × 74,383.09
  4. Step 4: Simplify right side
    134,808.53x = 13,838,333,455.89
  5. Step 5: Solve for x
    x = 13,838,333,455.89/134,808.53
  6. Step 6: Final answer
    x = 102,651.77

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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.