Home / 130,097.08-179,536.62-71,955.64

Finding the Fourth Proportional to 130,097.08, 179,536.62 and 71,955.64

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Solution

The fourth proportional to 130,097.08, 179,536.62 and 71,955.64 is: 99,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,097.08 : 179,536.62 = 71,955.64 : x
  2. Step 2: Convert to fraction form
    130,097.08/179,536.62 = 71,955.64/x
  3. Step 3: Cross multiply
    130,097.08x = 179,536.62 × 71,955.64
  4. Step 4: Simplify right side
    130,097.08x = 12,918,672,395.54
  5. Step 5: Solve for x
    x = 12,918,672,395.54/130,097.08
  6. Step 6: Final answer
    x = 99,300.25

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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.