Home / 130,420.24-179,974.92-73,828.24

Finding the Fourth Proportional to 130,420.24, 179,974.92 and 73,828.24

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Solution

The fourth proportional to 130,420.24, 179,974.92 and 73,828.24 is: 101,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,420.24 : 179,974.92 = 73,828.24 : x
  2. Step 2: Convert to fraction form
    130,420.24/179,974.92 = 73,828.24/x
  3. Step 3: Cross multiply
    130,420.24x = 179,974.92 × 73,828.24
  4. Step 4: Simplify right side
    130,420.24x = 13,287,231,587.74
  5. Step 5: Solve for x
    x = 13,287,231,587.74/130,420.24
  6. Step 6: Final answer
    x = 101,880.13

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1.5x scale

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.