Home / 130,519.20-180,116.49-73,930.58

Finding the Fourth Proportional to 130,519.20, 180,116.49 and 73,930.58

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Solution

The fourth proportional to 130,519.20, 180,116.49 and 73,930.58 is: 102,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,519.20 : 180,116.49 = 73,930.58 : x
  2. Step 2: Convert to fraction form
    130,519.20/180,116.49 = 73,930.58/x
  3. Step 3: Cross multiply
    130,519.20x = 180,116.49 × 73,930.58
  4. Step 4: Simplify right side
    130,519.20x = 13,316,116,573.26
  5. Step 5: Solve for x
    x = 13,316,116,573.26/130,519.20
  6. Step 6: Final answer
    x = 102,024.20

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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.