Home / 134,862.60-202,075.20-84,853.20

Finding the Fourth Proportional to 134,862.60, 202,075.20 and 84,853.20

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Solution

The fourth proportional to 134,862.60, 202,075.20 and 84,853.20 is: 127,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,862.60 : 202,075.20 = 84,853.20 : x
  2. Step 2: Convert to fraction form
    134,862.60/202,075.20 = 84,853.20/x
  3. Step 3: Cross multiply
    134,862.60x = 202,075.20 × 84,853.20
  4. Step 4: Simplify right side
    134,862.60x = 17,146,727,360.64
  5. Step 5: Solve for x
    x = 17,146,727,360.64/134,862.60
  6. Step 6: Final answer
    x = 127,142.20

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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.