Home / 134,884.35-186,140.40-74,455.01

Finding the Fourth Proportional to 134,884.35, 186,140.40 and 74,455.01

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Solution

The fourth proportional to 134,884.35, 186,140.40 and 74,455.01 is: 102,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,884.35 : 186,140.40 = 74,455.01 : x
  2. Step 2: Convert to fraction form
    134,884.35/186,140.40 = 74,455.01/x
  3. Step 3: Cross multiply
    134,884.35x = 186,140.40 × 74,455.01
  4. Step 4: Simplify right side
    134,884.35x = 13,859,085,343.40
  5. Step 5: Solve for x
    x = 13,859,085,343.40/134,884.35
  6. Step 6: Final answer
    x = 102,747.91

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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.