Home / 156,302.20-234,453.30-155,265.40

Finding the Fourth Proportional to 156,302.20, 234,453.30 and 155,265.40

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Solution

The fourth proportional to 156,302.20, 234,453.30 and 155,265.40 is: 232,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,302.20 : 234,453.30 = 155,265.40 : x
  2. Step 2: Convert to fraction form
    156,302.20/234,453.30 = 155,265.40/x
  3. Step 3: Cross multiply
    156,302.20x = 234,453.30 × 155,265.40
  4. Step 4: Simplify right side
    156,302.20x = 36,402,485,405.82
  5. Step 5: Solve for x
    x = 36,402,485,405.82/156,302.20
  6. Step 6: Final answer
    x = 232,898.10

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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.