Home / 133,372.40-184,120.83-103,089.33

Finding the Fourth Proportional to 133,372.40, 184,120.83 and 103,089.33

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Solution

The fourth proportional to 133,372.40, 184,120.83 and 103,089.33 is: 142,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.40 : 184,120.83 = 103,089.33 : x
  2. Step 2: Convert to fraction form
    133,372.40/184,120.83 = 103,089.33/x
  3. Step 3: Cross multiply
    133,372.40x = 184,120.83 × 103,089.33
  4. Step 4: Simplify right side
    133,372.40x = 18,980,893,003.74
  5. Step 5: Solve for x
    x = 18,980,893,003.74/133,372.40
  6. Step 6: Final answer
    x = 142,315.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.