Home / 130,003.20-179,395.20-73,411.20

Finding the Fourth Proportional to 130,003.20, 179,395.20 and 73,411.20

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Solution

The fourth proportional to 130,003.20, 179,395.20 and 73,411.20 is: 101,302.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003.20 : 179,395.20 = 73,411.20 : x
  2. Step 2: Convert to fraction form
    130,003.20/179,395.20 = 73,411.20/x
  3. Step 3: Cross multiply
    130,003.20x = 179,395.20 × 73,411.20
  4. Step 4: Simplify right side
    130,003.20x = 13,169,616,906.24
  5. Step 5: Solve for x
    x = 13,169,616,906.24/130,003.20
  6. Step 6: Final answer
    x = 101,302.25

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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.