Home / 130,010.40-195,001.20-36,525.60

Finding the Fourth Proportional to 130,010.40, 195,001.20 and 36,525.60

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Solution

The fourth proportional to 130,010.40, 195,001.20 and 36,525.60 is: 54,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,010.40 : 195,001.20 = 36,525.60 : x
  2. Step 2: Convert to fraction form
    130,010.40/195,001.20 = 36,525.60/x
  3. Step 3: Cross multiply
    130,010.40x = 195,001.20 × 36,525.60
  4. Step 4: Simplify right side
    130,010.40x = 7,122,535,830.72
  5. Step 5: Solve for x
    x = 7,122,535,830.72/130,010.40
  6. Step 6: Final answer
    x = 54,784.35

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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.