Home / 130,173.71-195,441.21-67,038.89

Finding the Fourth Proportional to 130,173.71, 195,441.21 and 67,038.89

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Solution

The fourth proportional to 130,173.71, 195,441.21 and 67,038.89 is: 100,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,173.71 : 195,441.21 = 67,038.89 : x
  2. Step 2: Convert to fraction form
    130,173.71/195,441.21 = 67,038.89/x
  3. Step 3: Cross multiply
    130,173.71x = 195,441.21 × 67,038.89
  4. Step 4: Simplify right side
    130,173.71x = 13,102,160,801.45
  5. Step 5: Solve for x
    x = 13,102,160,801.45/130,173.71
  6. Step 6: Final answer
    x = 100,651.36

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1.5x scale

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.