Home / 210,080.60-315,428.10-148,026.20

Finding the Fourth Proportional to 210,080.60, 315,428.10 and 148,026.20

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Solution

The fourth proportional to 210,080.60, 315,428.10 and 148,026.20 is: 222,255.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,080.60 : 315,428.10 = 148,026.20 : x
  2. Step 2: Convert to fraction form
    210,080.60/315,428.10 = 148,026.20/x
  3. Step 3: Cross multiply
    210,080.60x = 315,428.10 × 148,026.20
  4. Step 4: Simplify right side
    210,080.60x = 46,691,623,016.22
  5. Step 5: Solve for x
    x = 46,691,623,016.22/210,080.60
  6. Step 6: Final answer
    x = 222,255.76

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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.