Home / 154,079.90-212,624.12-89,546.09

Finding the Fourth Proportional to 154,079.90, 212,624.12 and 89,546.09

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Solution

The fourth proportional to 154,079.90, 212,624.12 and 89,546.09 is: 123,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,079.90 : 212,624.12 = 89,546.09 : x
  2. Step 2: Convert to fraction form
    154,079.90/212,624.12 = 89,546.09/x
  3. Step 3: Cross multiply
    154,079.90x = 212,624.12 × 89,546.09
  4. Step 4: Simplify right side
    154,079.90x = 19,039,657,074.84
  5. Step 5: Solve for x
    x = 19,039,657,074.84/154,079.90
  6. Step 6: Final answer
    x = 123,570.03

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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.