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Finding the Fourth Proportional to 156,315.30, 215,700.56 and 88,337.48

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Solution

The fourth proportional to 156,315.30, 215,700.56 and 88,337.48 is: 121,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,315.30 : 215,700.56 = 88,337.48 : x
  2. Step 2: Convert to fraction form
    156,315.30/215,700.56 = 88,337.48/x
  3. Step 3: Cross multiply
    156,315.30x = 215,700.56 × 88,337.48
  4. Step 4: Simplify right side
    156,315.30x = 19,054,443,904.99
  5. Step 5: Solve for x
    x = 19,054,443,904.99/156,315.30
  6. Step 6: Final answer
    x = 121,897.50

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