Home / 133,215.10-199,822.65-122,328.70

Finding the Fourth Proportional to 133,215.10, 199,822.65 and 122,328.70

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Solution

The fourth proportional to 133,215.10, 199,822.65 and 122,328.70 is: 183,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,215.10 : 199,822.65 = 122,328.70 : x
  2. Step 2: Convert to fraction form
    133,215.10/199,822.65 = 122,328.70/x
  3. Step 3: Cross multiply
    133,215.10x = 199,822.65 × 122,328.70
  4. Step 4: Simplify right side
    133,215.10x = 24,444,045,005.06
  5. Step 5: Solve for x
    x = 24,444,045,005.06/133,215.10
  6. Step 6: Final answer
    x = 183,493.05

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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.