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Finding the Fourth Proportional to 98,693.66, 136,210.23 and 56,242.46

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Solution

The fourth proportional to 98,693.66, 136,210.23 and 56,242.46 is: 77,621.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,693.66 : 136,210.23 = 56,242.46 : x
  2. Step 2: Convert to fraction form
    98,693.66/136,210.23 = 56,242.46/x
  3. Step 3: Cross multiply
    98,693.66x = 136,210.23 × 56,242.46
  4. Step 4: Simplify right side
    98,693.66x = 7,660,798,412.37
  5. Step 5: Solve for x
    x = 7,660,798,412.37/98,693.66
  6. Step 6: Final answer
    x = 77,621.99

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