Home / 134,784.90-202,323.15-84,921.30

Finding the Fourth Proportional to 134,784.90, 202,323.15 and 84,921.30

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Solution

The fourth proportional to 134,784.90, 202,323.15 and 84,921.30 is: 127,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784.90 : 202,323.15 = 84,921.30 : x
  2. Step 2: Convert to fraction form
    134,784.90/202,323.15 = 84,921.30/x
  3. Step 3: Cross multiply
    134,784.90x = 202,323.15 × 84,921.30
  4. Step 4: Simplify right side
    134,784.90x = 17,181,544,918.10
  5. Step 5: Solve for x
    x = 17,181,544,918.10/134,784.90
  6. Step 6: Final answer
    x = 127,473.81

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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.