Home / 130,465.17-195,416.55-88,112.37

Finding the Fourth Proportional to 130,465.17, 195,416.55 and 88,112.37

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Solution

The fourth proportional to 130,465.17, 195,416.55 and 88,112.37 is: 131,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.17 : 195,416.55 = 88,112.37 : x
  2. Step 2: Convert to fraction form
    130,465.17/195,416.55 = 88,112.37/x
  3. Step 3: Cross multiply
    130,465.17x = 195,416.55 × 88,112.37
  4. Step 4: Simplify right side
    130,465.17x = 17,218,615,357.72
  5. Step 5: Solve for x
    x = 17,218,615,357.72/130,465.17
  6. Step 6: Final answer
    x = 131,978.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.