Home / 106,549.40-160,212.90-89,442.20

Finding the Fourth Proportional to 106,549.40, 160,212.90 and 89,442.20

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Solution

The fourth proportional to 106,549.40, 160,212.90 and 89,442.20 is: 134,489.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,549.40 : 160,212.90 = 89,442.20 : x
  2. Step 2: Convert to fraction form
    106,549.40/160,212.90 = 89,442.20/x
  3. Step 3: Cross multiply
    106,549.40x = 160,212.90 × 89,442.20
  4. Step 4: Simplify right side
    106,549.40x = 14,329,794,244.38
  5. Step 5: Solve for x
    x = 14,329,794,244.38/106,549.40
  6. Step 6: Final answer
    x = 134,489.68

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1.5x scale

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.