Home / 134,763.60-202,145.40-39,997.20

Finding the Fourth Proportional to 134,763.60, 202,145.40 and 39,997.20

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Solution

The fourth proportional to 134,763.60, 202,145.40 and 39,997.20 is: 59,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,763.60 : 202,145.40 = 39,997.20 : x
  2. Step 2: Convert to fraction form
    134,763.60/202,145.40 = 39,997.20/x
  3. Step 3: Cross multiply
    134,763.60x = 202,145.40 × 39,997.20
  4. Step 4: Simplify right side
    134,763.60x = 8,085,249,992.88
  5. Step 5: Solve for x
    x = 8,085,249,992.88/134,763.60
  6. Step 6: Final answer
    x = 59,995.80

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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.