Home / 234,953.10-352,429.65-135,420.30

Finding the Fourth Proportional to 234,953.10, 352,429.65 and 135,420.30

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Solution

The fourth proportional to 234,953.10, 352,429.65 and 135,420.30 is: 203,130.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,953.10 : 352,429.65 = 135,420.30 : x
  2. Step 2: Convert to fraction form
    234,953.10/352,429.65 = 135,420.30/x
  3. Step 3: Cross multiply
    234,953.10x = 352,429.65 × 135,420.30
  4. Step 4: Simplify right side
    234,953.10x = 47,726,128,931.90
  5. Step 5: Solve for x
    x = 47,726,128,931.90/234,953.10
  6. Step 6: Final answer
    x = 203,130.45

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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.