Home / 99,848.28-137,779.32-57,420.48

Finding the Fourth Proportional to 99,848.28, 137,779.32 and 57,420.48

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Solution

The fourth proportional to 99,848.28, 137,779.32 and 57,420.48 is: 79,233.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,848.28 : 137,779.32 = 57,420.48 : x
  2. Step 2: Convert to fraction form
    99,848.28/137,779.32 = 57,420.48/x
  3. Step 3: Cross multiply
    99,848.28x = 137,779.32 × 57,420.48
  4. Step 4: Simplify right side
    99,848.28x = 7,911,354,688.47
  5. Step 5: Solve for x
    x = 7,911,354,688.47/99,848.28
  6. Step 6: Final answer
    x = 79,233.76

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