Home / 130,209.31-195,157.70-67,059.15

Finding the Fourth Proportional to 130,209.31, 195,157.70 and 67,059.15

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Solution

The fourth proportional to 130,209.31, 195,157.70 and 67,059.15 is: 100,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,209.31 : 195,157.70 = 67,059.15 : x
  2. Step 2: Convert to fraction form
    130,209.31/195,157.70 = 67,059.15/x
  3. Step 3: Cross multiply
    130,209.31x = 195,157.70 × 67,059.15
  4. Step 4: Simplify right side
    130,209.31x = 13,087,109,477.96
  5. Step 5: Solve for x
    x = 13,087,109,477.96/130,209.31
  6. Step 6: Final answer
    x = 100,508.25

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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.