Home / 130,615.41-195,759.13-70,641.49

Finding the Fourth Proportional to 130,615.41, 195,759.13 and 70,641.49

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Solution

The fourth proportional to 130,615.41, 195,759.13 and 70,641.49 is: 105,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,615.41 : 195,759.13 = 70,641.49 : x
  2. Step 2: Convert to fraction form
    130,615.41/195,759.13 = 70,641.49/x
  3. Step 3: Cross multiply
    130,615.41x = 195,759.13 × 70,641.49
  4. Step 4: Simplify right side
    130,615.41x = 13,828,716,692.40
  5. Step 5: Solve for x
    x = 13,828,716,692.40/130,615.41
  6. Step 6: Final answer
    x = 105,873.55

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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.