Home / 130,331.40-195,788.70-125,017.80

Finding the Fourth Proportional to 130,331.40, 195,788.70 and 125,017.80

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Solution

The fourth proportional to 130,331.40, 195,788.70 and 125,017.80 is: 187,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,331.40 : 195,788.70 = 125,017.80 : x
  2. Step 2: Convert to fraction form
    130,331.40/195,788.70 = 125,017.80/x
  3. Step 3: Cross multiply
    130,331.40x = 195,788.70 × 125,017.80
  4. Step 4: Simplify right side
    130,331.40x = 24,477,072,538.86
  5. Step 5: Solve for x
    x = 24,477,072,538.86/130,331.40
  6. Step 6: Final answer
    x = 187,806.41

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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.