Home / 91,305.35-136,945.27-31,332.89

Finding the Fourth Proportional to 91,305.35, 136,945.27 and 31,332.89

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Solution

The fourth proportional to 91,305.35, 136,945.27 and 31,332.89 is: 46,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,305.35 : 136,945.27 = 31,332.89 : x
  2. Step 2: Convert to fraction form
    91,305.35/136,945.27 = 31,332.89/x
  3. Step 3: Cross multiply
    91,305.35x = 136,945.27 × 31,332.89
  4. Step 4: Simplify right side
    91,305.35x = 4,290,890,435.37
  5. Step 5: Solve for x
    x = 4,290,890,435.37/91,305.35
  6. Step 6: Final answer
    x = 46,994.95

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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.