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Finding the Fourth Proportional to 194,686.80, 292,030.20 and 83,878.80

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Solution

The fourth proportional to 194,686.80, 292,030.20 and 83,878.80 is: 125,818.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,686.80 : 292,030.20 = 83,878.80 : x
  2. Step 2: Convert to fraction form
    194,686.80/292,030.20 = 83,878.80/x
  3. Step 3: Cross multiply
    194,686.80x = 292,030.20 × 83,878.80
  4. Step 4: Simplify right side
    194,686.80x = 24,495,142,739.76
  5. Step 5: Solve for x
    x = 24,495,142,739.76/194,686.80
  6. Step 6: Final answer
    x = 125,818.20

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