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Finding the Fourth Proportional to 162,351.40, 243,527.10 and 156,130.60

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Solution

The fourth proportional to 162,351.40, 243,527.10 and 156,130.60 is: 234,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,351.40 : 243,527.10 = 156,130.60 : x
  2. Step 2: Convert to fraction form
    162,351.40/243,527.10 = 156,130.60/x
  3. Step 3: Cross multiply
    162,351.40x = 243,527.10 × 156,130.60
  4. Step 4: Simplify right side
    162,351.40x = 38,022,032,239.26
  5. Step 5: Solve for x
    x = 38,022,032,239.26/162,351.40
  6. Step 6: Final answer
    x = 234,195.90

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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.