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Finding the Fourth Proportional to 158,643, 218,927.34 and 91,575

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Solution

The fourth proportional to 158,643, 218,927.34 and 91,575 is: 126,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,643 : 218,927.34 = 91,575 : x
  2. Step 2: Convert to fraction form
    158,643/218,927.34 = 91,575/x
  3. Step 3: Cross multiply
    158,643x = 218,927.34 × 91,575
  4. Step 4: Simplify right side
    158,643x = 20,048,271,160.50
  5. Step 5: Solve for x
    x = 20,048,271,160.50/158,643
  6. Step 6: Final answer
    x = 126,373.50

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