Home / 130,941.14-180,692.94-76,498.36

Finding the Fourth Proportional to 130,941.14, 180,692.94 and 76,498.36

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Solution

The fourth proportional to 130,941.14, 180,692.94 and 76,498.36 is: 105,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,941.14 : 180,692.94 = 76,498.36 : x
  2. Step 2: Convert to fraction form
    130,941.14/180,692.94 = 76,498.36/x
  3. Step 3: Cross multiply
    130,941.14x = 180,692.94 × 76,498.36
  4. Step 4: Simplify right side
    130,941.14x = 13,822,713,408.71
  5. Step 5: Solve for x
    x = 13,822,713,408.71/130,941.14
  6. Step 6: Final answer
    x = 105,564.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.