Home / 130,424.10-195,564.06-40,441.86

Finding the Fourth Proportional to 130,424.10, 195,564.06 and 40,441.86

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Solution

The fourth proportional to 130,424.10, 195,564.06 and 40,441.86 is: 60,640.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,424.10 : 195,564.06 = 40,441.86 : x
  2. Step 2: Convert to fraction form
    130,424.10/195,564.06 = 40,441.86/x
  3. Step 3: Cross multiply
    130,424.10x = 195,564.06 × 40,441.86
  4. Step 4: Simplify right side
    130,424.10x = 7,908,974,335.55
  5. Step 5: Solve for x
    x = 7,908,974,335.55/130,424.10
  6. Step 6: Final answer
    x = 60,640.44

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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.