Home / 142,999.96-214,420.74-64,189.72

Finding the Fourth Proportional to 142,999.96, 214,420.74 and 64,189.72

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Solution

The fourth proportional to 142,999.96, 214,420.74 and 64,189.72 is: 96,249.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,999.96 : 214,420.74 = 64,189.72 : x
  2. Step 2: Convert to fraction form
    142,999.96/214,420.74 = 64,189.72/x
  3. Step 3: Cross multiply
    142,999.96x = 214,420.74 × 64,189.72
  4. Step 4: Simplify right side
    142,999.96x = 13,763,607,262.79
  5. Step 5: Solve for x
    x = 13,763,607,262.79/142,999.96
  6. Step 6: Final answer
    x = 96,249.03

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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.