Home / 152,978.13-229,272.48-86,455.35

Finding the Fourth Proportional to 152,978.13, 229,272.48 and 86,455.35

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Solution

The fourth proportional to 152,978.13, 229,272.48 and 86,455.35 is: 129,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,978.13 : 229,272.48 = 86,455.35 : x
  2. Step 2: Convert to fraction form
    152,978.13/229,272.48 = 86,455.35/x
  3. Step 3: Cross multiply
    152,978.13x = 229,272.48 × 86,455.35
  4. Step 4: Simplify right side
    152,978.13x = 19,821,832,503.77
  5. Step 5: Solve for x
    x = 19,821,832,503.77/152,978.13
  6. Step 6: Final answer
    x = 129,572.98

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