Home / 130,980.60-180,821.34-101,844.36

Finding the Fourth Proportional to 130,980.60, 180,821.34 and 101,844.36

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Solution

The fourth proportional to 130,980.60, 180,821.34 and 101,844.36 is: 140,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,980.60 : 180,821.34 = 101,844.36 : x
  2. Step 2: Convert to fraction form
    130,980.60/180,821.34 = 101,844.36/x
  3. Step 3: Cross multiply
    130,980.60x = 180,821.34 × 101,844.36
  4. Step 4: Simplify right side
    130,980.60x = 18,415,633,646.64
  5. Step 5: Solve for x
    x = 18,415,633,646.64/130,980.60
  6. Step 6: Final answer
    x = 140,598.18

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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.