Home / 130,844.07-180,383.40-88,335.27

Finding the Fourth Proportional to 130,844.07, 180,383.40 and 88,335.27

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Solution

The fourth proportional to 130,844.07, 180,383.40 and 88,335.27 is: 121,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,844.07 : 180,383.40 = 88,335.27 : x
  2. Step 2: Convert to fraction form
    130,844.07/180,383.40 = 88,335.27/x
  3. Step 3: Cross multiply
    130,844.07x = 180,383.40 × 88,335.27
  4. Step 4: Simplify right side
    130,844.07x = 15,934,216,342.52
  5. Step 5: Solve for x
    x = 15,934,216,342.52/130,844.07
  6. Step 6: Final answer
    x = 121,780.19

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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.