Home / 130,503.12-195,755.84-51,617.34

Finding the Fourth Proportional to 130,503.12, 195,755.84 and 51,617.34

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Solution

The fourth proportional to 130,503.12, 195,755.84 and 51,617.34 is: 77,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.12 : 195,755.84 = 51,617.34 : x
  2. Step 2: Convert to fraction form
    130,503.12/195,755.84 = 51,617.34/x
  3. Step 3: Cross multiply
    130,503.12x = 195,755.84 × 51,617.34
  4. Step 4: Simplify right side
    130,503.12x = 10,104,395,492.18
  5. Step 5: Solve for x
    x = 10,104,395,492.18/130,503.12
  6. Step 6: Final answer
    x = 77,426.47

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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.