Home / 134,820.60-202,230.90-84,738.30

Finding the Fourth Proportional to 134,820.60, 202,230.90 and 84,738.30

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Solution

The fourth proportional to 134,820.60, 202,230.90 and 84,738.30 is: 127,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.60 : 202,230.90 = 84,738.30 : x
  2. Step 2: Convert to fraction form
    134,820.60/202,230.90 = 84,738.30/x
  3. Step 3: Cross multiply
    134,820.60x = 202,230.90 × 84,738.30
  4. Step 4: Simplify right side
    134,820.60x = 17,136,702,673.47
  5. Step 5: Solve for x
    x = 17,136,702,673.47/134,820.60
  6. Step 6: Final answer
    x = 127,107.45

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1.5x scale

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.