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Finding the Fourth Proportional to 154,762, 213,609.52 and 94,365.90

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Solution

The fourth proportional to 154,762, 213,609.52 and 94,365.90 is: 130,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,762 : 213,609.52 = 94,365.90 : x
  2. Step 2: Convert to fraction form
    154,762/213,609.52 = 94,365.90/x
  3. Step 3: Cross multiply
    154,762x = 213,609.52 × 94,365.90
  4. Step 4: Simplify right side
    154,762x = 20,157,454,603.37
  5. Step 5: Solve for x
    x = 20,157,454,603.37/154,762
  6. Step 6: Final answer
    x = 130,248.09

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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.