Home / 91,205.46-136,855.56-69,012.24

Finding the Fourth Proportional to 91,205.46, 136,855.56 and 69,012.24

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Solution

The fourth proportional to 91,205.46, 136,855.56 and 69,012.24 is: 103,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,205.46 : 136,855.56 = 69,012.24 : x
  2. Step 2: Convert to fraction form
    91,205.46/136,855.56 = 69,012.24/x
  3. Step 3: Cross multiply
    91,205.46x = 136,855.56 × 69,012.24
  4. Step 4: Simplify right side
    91,205.46x = 9,444,708,752.05
  5. Step 5: Solve for x
    x = 9,444,708,752.05/91,205.46
  6. Step 6: Final answer
    x = 103,554.20

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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.