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Finding the Fourth Proportional to 292,638.12, 438,870.60 and 124,156.32

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Solution

The fourth proportional to 292,638.12, 438,870.60 and 124,156.32 is: 186,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,638.12 : 438,870.60 = 124,156.32 : x
  2. Step 2: Convert to fraction form
    292,638.12/438,870.60 = 124,156.32/x
  3. Step 3: Cross multiply
    292,638.12x = 438,870.60 × 124,156.32
  4. Step 4: Simplify right side
    292,638.12x = 54,488,558,652.19
  5. Step 5: Solve for x
    x = 54,488,558,652.19/292,638.12
  6. Step 6: Final answer
    x = 186,197.75

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