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Finding the Fourth Proportional to 156,953.60, 235,430.40 and 112,486.40

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Solution

The fourth proportional to 156,953.60, 235,430.40 and 112,486.40 is: 168,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.60 : 235,430.40 = 112,486.40 : x
  2. Step 2: Convert to fraction form
    156,953.60/235,430.40 = 112,486.40/x
  3. Step 3: Cross multiply
    156,953.60x = 235,430.40 × 112,486.40
  4. Step 4: Simplify right side
    156,953.60x = 26,482,718,146.56
  5. Step 5: Solve for x
    x = 26,482,718,146.56/156,953.60
  6. Step 6: Final answer
    x = 168,729.60

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