Home / 151,210.40-226,815.60-84,855.20

Finding the Fourth Proportional to 151,210.40, 226,815.60 and 84,855.20

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Solution

The fourth proportional to 151,210.40, 226,815.60 and 84,855.20 is: 127,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,210.40 : 226,815.60 = 84,855.20 : x
  2. Step 2: Convert to fraction form
    151,210.40/226,815.60 = 84,855.20/x
  3. Step 3: Cross multiply
    151,210.40x = 226,815.60 × 84,855.20
  4. Step 4: Simplify right side
    151,210.40x = 19,246,483,101.12
  5. Step 5: Solve for x
    x = 19,246,483,101.12/151,210.40
  6. Step 6: Final answer
    x = 127,282.80

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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.