Home / 134,693.51-202,119.03-74,772.45

Finding the Fourth Proportional to 134,693.51, 202,119.03 and 74,772.45

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Solution

The fourth proportional to 134,693.51, 202,119.03 and 74,772.45 is: 112,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,693.51 : 202,119.03 = 74,772.45 : x
  2. Step 2: Convert to fraction form
    134,693.51/202,119.03 = 74,772.45/x
  3. Step 3: Cross multiply
    134,693.51x = 202,119.03 × 74,772.45
  4. Step 4: Simplify right side
    134,693.51x = 15,112,935,064.72
  5. Step 5: Solve for x
    x = 15,112,935,064.72/134,693.51
  6. Step 6: Final answer
    x = 112,202.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.