Home / 162,303.40-243,455.10-156,082.60

Finding the Fourth Proportional to 162,303.40, 243,455.10 and 156,082.60

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Solution

The fourth proportional to 162,303.40, 243,455.10 and 156,082.60 is: 234,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,303.40 : 243,455.10 = 156,082.60 : x
  2. Step 2: Convert to fraction form
    162,303.40/243,455.10 = 156,082.60/x
  3. Step 3: Cross multiply
    162,303.40x = 243,455.10 × 156,082.60
  4. Step 4: Simplify right side
    162,303.40x = 37,999,104,991.26
  5. Step 5: Solve for x
    x = 37,999,104,991.26/162,303.40
  6. Step 6: Final answer
    x = 234,123.90

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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.