Home / 154,830.80-232,246.20-84,846.80

Finding the Fourth Proportional to 154,830.80, 232,246.20 and 84,846.80

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Solution

The fourth proportional to 154,830.80, 232,246.20 and 84,846.80 is: 127,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,830.80 : 232,246.20 = 84,846.80 : x
  2. Step 2: Convert to fraction form
    154,830.80/232,246.20 = 84,846.80/x
  3. Step 3: Cross multiply
    154,830.80x = 232,246.20 × 84,846.80
  4. Step 4: Simplify right side
    154,830.80x = 19,705,346,882.16
  5. Step 5: Solve for x
    x = 19,705,346,882.16/154,830.80
  6. Step 6: Final answer
    x = 127,270.20

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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.