Home / 113,187.02-169,779.92-28,947.05

Finding the Fourth Proportional to 113,187.02, 169,779.92 and 28,947.05

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Solution

The fourth proportional to 113,187.02, 169,779.92 and 28,947.05 is: 43,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.02 : 169,779.92 = 28,947.05 : x
  2. Step 2: Convert to fraction form
    113,187.02/169,779.92 = 28,947.05/x
  3. Step 3: Cross multiply
    113,187.02x = 169,779.92 × 28,947.05
  4. Step 4: Simplify right side
    113,187.02x = 4,914,628,330.05
  5. Step 5: Solve for x
    x = 4,914,628,330.05/113,187.02
  6. Step 6: Final answer
    x = 43,420.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.