Home / 91,017.46-125,567.98-55,194.40

Finding the Fourth Proportional to 91,017.46, 125,567.98 and 55,194.40

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Solution

The fourth proportional to 91,017.46, 125,567.98 and 55,194.40 is: 76,146.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,017.46 : 125,567.98 = 55,194.40 : x
  2. Step 2: Convert to fraction form
    91,017.46/125,567.98 = 55,194.40/x
  3. Step 3: Cross multiply
    91,017.46x = 125,567.98 × 55,194.40
  4. Step 4: Simplify right side
    91,017.46x = 6,930,649,315.31
  5. Step 5: Solve for x
    x = 6,930,649,315.31/91,017.46
  6. Step 6: Final answer
    x = 76,146.37

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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.