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Finding the Fourth Proportional to 162,302.53, 223,973.39 and 90,683.11

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Solution

The fourth proportional to 162,302.53, 223,973.39 and 90,683.11 is: 125,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,302.53 : 223,973.39 = 90,683.11 : x
  2. Step 2: Convert to fraction form
    162,302.53/223,973.39 = 90,683.11/x
  3. Step 3: Cross multiply
    162,302.53x = 223,973.39 × 90,683.11
  4. Step 4: Simplify right side
    162,302.53x = 20,310,603,562.44
  5. Step 5: Solve for x
    x = 20,310,603,562.44/162,302.53
  6. Step 6: Final answer
    x = 125,140.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.