Home / 235,535.40-352,496.70-142,108.20

Finding the Fourth Proportional to 235,535.40, 352,496.70 and 142,108.20

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Solution

The fourth proportional to 235,535.40, 352,496.70 and 142,108.20 is: 212,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,535.40 : 352,496.70 = 142,108.20 : x
  2. Step 2: Convert to fraction form
    235,535.40/352,496.70 = 142,108.20/x
  3. Step 3: Cross multiply
    235,535.40x = 352,496.70 × 142,108.20
  4. Step 4: Simplify right side
    235,535.40x = 50,092,671,542.94
  5. Step 5: Solve for x
    x = 50,092,671,542.94/235,535.40
  6. Step 6: Final answer
    x = 212,675.77

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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.