Home / 130,340.49-179,872.65-73,751.87

Finding the Fourth Proportional to 130,340.49, 179,872.65 and 73,751.87

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Solution

The fourth proportional to 130,340.49, 179,872.65 and 73,751.87 is: 101,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,340.49 : 179,872.65 = 73,751.87 : x
  2. Step 2: Convert to fraction form
    130,340.49/179,872.65 = 73,751.87/x
  3. Step 3: Cross multiply
    130,340.49x = 179,872.65 × 73,751.87
  4. Step 4: Simplify right side
    130,340.49x = 13,265,943,399.99
  5. Step 5: Solve for x
    x = 13,265,943,399.99/130,340.49
  6. Step 6: Final answer
    x = 101,779.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.