Home / 91,383.74-137,075.62-60,211.70

Finding the Fourth Proportional to 91,383.74, 137,075.62 and 60,211.70

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Solution

The fourth proportional to 91,383.74, 137,075.62 and 60,211.70 is: 90,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,383.74 : 137,075.62 = 60,211.70 : x
  2. Step 2: Convert to fraction form
    91,383.74/137,075.62 = 60,211.70/x
  3. Step 3: Cross multiply
    91,383.74x = 137,075.62 × 60,211.70
  4. Step 4: Simplify right side
    91,383.74x = 8,253,556,108.75
  5. Step 5: Solve for x
    x = 8,253,556,108.75/91,383.74
  6. Step 6: Final answer
    x = 90,317.56

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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.