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Finding the Fourth Proportional to 131,430.70, 197,167.65 and 56,586.70

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Solution

The fourth proportional to 131,430.70, 197,167.65 and 56,586.70 is: 84,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,430.70 : 197,167.65 = 56,586.70 : x
  2. Step 2: Convert to fraction form
    131,430.70/197,167.65 = 56,586.70/x
  3. Step 3: Cross multiply
    131,430.70x = 197,167.65 × 56,586.70
  4. Step 4: Simplify right side
    131,430.70x = 11,157,066,660.26
  5. Step 5: Solve for x
    x = 11,157,066,660.26/131,430.70
  6. Step 6: Final answer
    x = 84,889.35

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