Home / 106,901.40-160,352.10-89,988.60

Finding the Fourth Proportional to 106,901.40, 160,352.10 and 89,988.60

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Solution

The fourth proportional to 106,901.40, 160,352.10 and 89,988.60 is: 134,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.40 : 160,352.10 = 89,988.60 : x
  2. Step 2: Convert to fraction form
    106,901.40/160,352.10 = 89,988.60/x
  3. Step 3: Cross multiply
    106,901.40x = 160,352.10 × 89,988.60
  4. Step 4: Simplify right side
    106,901.40x = 14,429,860,986.06
  5. Step 5: Solve for x
    x = 14,429,860,986.06/106,901.40
  6. Step 6: Final answer
    x = 134,982.90

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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.