Home / 133,625.10-184,418.20-77,038.50

Finding the Fourth Proportional to 133,625.10, 184,418.20 and 77,038.50

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Solution

The fourth proportional to 133,625.10, 184,418.20 and 77,038.50 is: 106,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,625.10 : 184,418.20 = 77,038.50 : x
  2. Step 2: Convert to fraction form
    133,625.10/184,418.20 = 77,038.50/x
  3. Step 3: Cross multiply
    133,625.10x = 184,418.20 × 77,038.50
  4. Step 4: Simplify right side
    133,625.10x = 14,207,301,500.70
  5. Step 5: Solve for x
    x = 14,207,301,500.70/133,625.10
  6. Step 6: Final answer
    x = 106,322.10

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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.