Home / 130,638.95-195,991.32-37,144.70

Finding the Fourth Proportional to 130,638.95, 195,991.32 and 37,144.70

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Solution

The fourth proportional to 130,638.95, 195,991.32 and 37,144.70 is: 55,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,638.95 : 195,991.32 = 37,144.70 : x
  2. Step 2: Convert to fraction form
    130,638.95/195,991.32 = 37,144.70/x
  3. Step 3: Cross multiply
    130,638.95x = 195,991.32 × 37,144.70
  4. Step 4: Simplify right side
    130,638.95x = 7,280,038,784.00
  5. Step 5: Solve for x
    x = 7,280,038,784.00/130,638.95
  6. Step 6: Final answer
    x = 55,726.40

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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.