Home / 106,994.34-160,263.90-86,909.49

Finding the Fourth Proportional to 106,994.34, 160,263.90 and 86,909.49

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Solution

The fourth proportional to 106,994.34, 160,263.90 and 86,909.49 is: 130,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,994.34 : 160,263.90 = 86,909.49 : x
  2. Step 2: Convert to fraction form
    106,994.34/160,263.90 = 86,909.49/x
  3. Step 3: Cross multiply
    106,994.34x = 160,263.90 × 86,909.49
  4. Step 4: Simplify right side
    106,994.34x = 13,928,453,814.41
  5. Step 5: Solve for x
    x = 13,928,453,814.41/106,994.34
  6. Step 6: Final answer
    x = 130,179.35

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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.