Home / 142,875.34-214,324.70-71,761.41

Finding the Fourth Proportional to 142,875.34, 214,324.70 and 71,761.41

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Solution

The fourth proportional to 142,875.34, 214,324.70 and 71,761.41 is: 107,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,875.34 : 214,324.70 = 71,761.41 : x
  2. Step 2: Convert to fraction form
    142,875.34/214,324.70 = 71,761.41/x
  3. Step 3: Cross multiply
    142,875.34x = 214,324.70 × 71,761.41
  4. Step 4: Simplify right side
    142,875.34x = 15,380,242,311.02
  5. Step 5: Solve for x
    x = 15,380,242,311.02/142,875.34
  6. Step 6: Final answer
    x = 107,647.99

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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.