Home / 91,182.08-136,771.70-46,783.21

Finding the Fourth Proportional to 91,182.08, 136,771.70 and 46,783.21

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Solution

The fourth proportional to 91,182.08, 136,771.70 and 46,783.21 is: 70,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.08 : 136,771.70 = 46,783.21 : x
  2. Step 2: Convert to fraction form
    91,182.08/136,771.70 = 46,783.21/x
  3. Step 3: Cross multiply
    91,182.08x = 136,771.70 × 46,783.21
  4. Step 4: Simplify right side
    91,182.08x = 6,398,619,163.16
  5. Step 5: Solve for x
    x = 6,398,619,163.16/91,182.08
  6. Step 6: Final answer
    x = 70,174.09

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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.