Home / 162,209.40-243,314.10-152,367.90

Finding the Fourth Proportional to 162,209.40, 243,314.10 and 152,367.90

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Solution

The fourth proportional to 162,209.40, 243,314.10 and 152,367.90 is: 228,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,209.40 : 243,314.10 = 152,367.90 : x
  2. Step 2: Convert to fraction form
    162,209.40/243,314.10 = 152,367.90/x
  3. Step 3: Cross multiply
    162,209.40x = 243,314.10 × 152,367.90
  4. Step 4: Simplify right side
    162,209.40x = 37,073,258,457.39
  5. Step 5: Solve for x
    x = 37,073,258,457.39/162,209.40
  6. Step 6: Final answer
    x = 228,551.85

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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.