Home / 91,164.50-125,813.32-50,886.10

Finding the Fourth Proportional to 91,164.50, 125,813.32 and 50,886.10

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Solution

The fourth proportional to 91,164.50, 125,813.32 and 50,886.10 is: 70,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,164.50 : 125,813.32 = 50,886.10 : x
  2. Step 2: Convert to fraction form
    91,164.50/125,813.32 = 50,886.10/x
  3. Step 3: Cross multiply
    91,164.50x = 125,813.32 × 50,886.10
  4. Step 4: Simplify right side
    91,164.50x = 6,402,149,182.85
  5. Step 5: Solve for x
    x = 6,402,149,182.85/91,164.50
  6. Step 6: Final answer
    x = 70,226.34

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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.