Home / 91,206.62-136,809.21-49,106.42

Finding the Fourth Proportional to 91,206.62, 136,809.21 and 49,106.42

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Solution

The fourth proportional to 91,206.62, 136,809.21 and 49,106.42 is: 73,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,206.62 : 136,809.21 = 49,106.42 : x
  2. Step 2: Convert to fraction form
    91,206.62/136,809.21 = 49,106.42/x
  3. Step 3: Cross multiply
    91,206.62x = 136,809.21 × 49,106.42
  4. Step 4: Simplify right side
    91,206.62x = 6,718,210,526.13
  5. Step 5: Solve for x
    x = 6,718,210,526.13/91,206.62
  6. Step 6: Final answer
    x = 73,659.24

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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.