Home / 130,534.40-195,801.75-35,765.39

Finding the Fourth Proportional to 130,534.40, 195,801.75 and 35,765.39

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Solution

The fourth proportional to 130,534.40, 195,801.75 and 35,765.39 is: 53,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534.40 : 195,801.75 = 35,765.39 : x
  2. Step 2: Convert to fraction form
    130,534.40/195,801.75 = 35,765.39/x
  3. Step 3: Cross multiply
    130,534.40x = 195,801.75 × 35,765.39
  4. Step 4: Simplify right side
    130,534.40x = 7,002,925,461.93
  5. Step 5: Solve for x
    x = 7,002,925,461.93/130,534.40
  6. Step 6: Final answer
    x = 53,648.12

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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.