Home / 134,902.30-186,165.45-74,473.02

Finding the Fourth Proportional to 134,902.30, 186,165.45 and 74,473.02

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Solution

The fourth proportional to 134,902.30, 186,165.45 and 74,473.02 is: 102,772.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,902.30 : 186,165.45 = 74,473.02 : x
  2. Step 2: Convert to fraction form
    134,902.30/186,165.45 = 74,473.02/x
  3. Step 3: Cross multiply
    134,902.30x = 186,165.45 × 74,473.02
  4. Step 4: Simplify right side
    134,902.30x = 13,864,303,700.01
  5. Step 5: Solve for x
    x = 13,864,303,700.01/134,902.30
  6. Step 6: Final answer
    x = 102,772.92

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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.