Home / 142,027.17-212,652.15-138,262.69

Finding the Fourth Proportional to 142,027.17, 212,652.15 and 138,262.69

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Solution

The fourth proportional to 142,027.17, 212,652.15 and 138,262.69 is: 207,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,027.17 : 212,652.15 = 138,262.69 : x
  2. Step 2: Convert to fraction form
    142,027.17/212,652.15 = 138,262.69/x
  3. Step 3: Cross multiply
    142,027.17x = 212,652.15 × 138,262.69
  4. Step 4: Simplify right side
    142,027.17x = 29,401,858,293.28
  5. Step 5: Solve for x
    x = 29,401,858,293.28/142,027.17
  6. Step 6: Final answer
    x = 207,015.74

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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.