Home / 266,840.54-368,199.74-152,129.15

Finding the Fourth Proportional to 266,840.54, 368,199.74 and 152,129.15

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Solution

The fourth proportional to 266,840.54, 368,199.74 and 152,129.15 is: 209,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,840.54 : 368,199.74 = 152,129.15 : x
  2. Step 2: Convert to fraction form
    266,840.54/368,199.74 = 152,129.15/x
  3. Step 3: Cross multiply
    266,840.54x = 368,199.74 × 152,129.15
  4. Step 4: Simplify right side
    266,840.54x = 56,013,910,874.78
  5. Step 5: Solve for x
    x = 56,013,910,874.78/266,840.54
  6. Step 6: Final answer
    x = 209,915.30

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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.