Home / 130,548.15-195,819.48-70,605.21

Finding the Fourth Proportional to 130,548.15, 195,819.48 and 70,605.21

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Solution

The fourth proportional to 130,548.15, 195,819.48 and 70,605.21 is: 105,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,548.15 : 195,819.48 = 70,605.21 : x
  2. Step 2: Convert to fraction form
    130,548.15/195,819.48 = 70,605.21/x
  3. Step 3: Cross multiply
    130,548.15x = 195,819.48 × 70,605.21
  4. Step 4: Simplify right side
    130,548.15x = 13,825,875,507.49
  5. Step 5: Solve for x
    x = 13,825,875,507.49/130,548.15
  6. Step 6: Final answer
    x = 105,906.33

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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.