Home / 106,218.60-159,327.90-74,423.40

Finding the Fourth Proportional to 106,218.60, 159,327.90 and 74,423.40

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Solution

The fourth proportional to 106,218.60, 159,327.90 and 74,423.40 is: 111,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,218.60 : 159,327.90 = 74,423.40 : x
  2. Step 2: Convert to fraction form
    106,218.60/159,327.90 = 74,423.40/x
  3. Step 3: Cross multiply
    106,218.60x = 159,327.90 × 74,423.40
  4. Step 4: Simplify right side
    106,218.60x = 11,857,724,032.86
  5. Step 5: Solve for x
    x = 11,857,724,032.86/106,218.60
  6. Step 6: Final answer
    x = 111,635.10

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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.