Home / 133,417.15-184,170.45-90,455.49

Finding the Fourth Proportional to 133,417.15, 184,170.45 and 90,455.49

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Solution

The fourth proportional to 133,417.15, 184,170.45 and 90,455.49 is: 124,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,417.15 : 184,170.45 = 90,455.49 : x
  2. Step 2: Convert to fraction form
    133,417.15/184,170.45 = 90,455.49/x
  3. Step 3: Cross multiply
    133,417.15x = 184,170.45 × 90,455.49
  4. Step 4: Simplify right side
    133,417.15x = 16,659,228,298.27
  5. Step 5: Solve for x
    x = 16,659,228,298.27/133,417.15
  6. Step 6: Final answer
    x = 124,865.72

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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.