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Finding the Fourth Proportional to 154,801, 213,670.98 and 101,094.28

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Solution

The fourth proportional to 154,801, 213,670.98 and 101,094.28 is: 139,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,801 : 213,670.98 = 101,094.28 : x
  2. Step 2: Convert to fraction form
    154,801/213,670.98 = 101,094.28/x
  3. Step 3: Cross multiply
    154,801x = 213,670.98 × 101,094.28
  4. Step 4: Simplify right side
    154,801x = 21,600,913,879.99
  5. Step 5: Solve for x
    x = 21,600,913,879.99/154,801
  6. Step 6: Final answer
    x = 139,539.89

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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.