Home / 154,130.46-212,606.55-106,299.42

Finding the Fourth Proportional to 154,130.46, 212,606.55 and 106,299.42

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Solution

The fourth proportional to 154,130.46, 212,606.55 and 106,299.42 is: 146,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,130.46 : 212,606.55 = 106,299.42 : x
  2. Step 2: Convert to fraction form
    154,130.46/212,606.55 = 106,299.42/x
  3. Step 3: Cross multiply
    154,130.46x = 212,606.55 × 106,299.42
  4. Step 4: Simplify right side
    154,130.46x = 22,599,952,953.20
  5. Step 5: Solve for x
    x = 22,599,952,953.20/154,130.46
  6. Step 6: Final answer
    x = 146,628.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.