Home / 130,004.40-195,006.60-74,017.20

Finding the Fourth Proportional to 130,004.40, 195,006.60 and 74,017.20

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Solution

The fourth proportional to 130,004.40, 195,006.60 and 74,017.20 is: 111,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,004.40 : 195,006.60 = 74,017.20 : x
  2. Step 2: Convert to fraction form
    130,004.40/195,006.60 = 74,017.20/x
  3. Step 3: Cross multiply
    130,004.40x = 195,006.60 × 74,017.20
  4. Step 4: Simplify right side
    130,004.40x = 14,433,842,513.52
  5. Step 5: Solve for x
    x = 14,433,842,513.52/130,004.40
  6. Step 6: Final answer
    x = 111,025.80

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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.