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Finding the Fourth Proportional to 156,700.80, 235,051.20 and 153,590.40

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Solution

The fourth proportional to 156,700.80, 235,051.20 and 153,590.40 is: 230,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,700.80 : 235,051.20 = 153,590.40 : x
  2. Step 2: Convert to fraction form
    156,700.80/235,051.20 = 153,590.40/x
  3. Step 3: Cross multiply
    156,700.80x = 235,051.20 × 153,590.40
  4. Step 4: Simplify right side
    156,700.80x = 36,101,607,828.48
  5. Step 5: Solve for x
    x = 36,101,607,828.48/156,700.80
  6. Step 6: Final answer
    x = 230,385.60

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