Home / 154,069.76-212,538.84-106,349.60

Finding the Fourth Proportional to 154,069.76, 212,538.84 and 106,349.60

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Solution

The fourth proportional to 154,069.76, 212,538.84 and 106,349.60 is: 146,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,069.76 : 212,538.84 = 106,349.60 : x
  2. Step 2: Convert to fraction form
    154,069.76/212,538.84 = 106,349.60/x
  3. Step 3: Cross multiply
    154,069.76x = 212,538.84 × 106,349.60
  4. Step 4: Simplify right side
    154,069.76x = 22,603,420,618.46
  5. Step 5: Solve for x
    x = 22,603,420,618.46/154,069.76
  6. Step 6: Final answer
    x = 146,709.00

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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.