Home / 154,187.96-212,776.62-87,118.52

Finding the Fourth Proportional to 154,187.96, 212,776.62 and 87,118.52

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Solution

The fourth proportional to 154,187.96, 212,776.62 and 87,118.52 is: 120,222.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,187.96 : 212,776.62 = 87,118.52 : x
  2. Step 2: Convert to fraction form
    154,187.96/212,776.62 = 87,118.52/x
  3. Step 3: Cross multiply
    154,187.96x = 212,776.62 × 87,118.52
  4. Step 4: Simplify right side
    154,187.96x = 18,536,784,225.00
  5. Step 5: Solve for x
    x = 18,536,784,225.00/154,187.96
  6. Step 6: Final answer
    x = 120,222.00

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