Home / 154,895.68-213,677.04-101,212.12

Finding the Fourth Proportional to 154,895.68, 213,677.04 and 101,212.12

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Solution

The fourth proportional to 154,895.68, 213,677.04 and 101,212.12 is: 139,621.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,895.68 : 213,677.04 = 101,212.12 : x
  2. Step 2: Convert to fraction form
    154,895.68/213,677.04 = 101,212.12/x
  3. Step 3: Cross multiply
    154,895.68x = 213,677.04 × 101,212.12
  4. Step 4: Simplify right side
    154,895.68x = 21,626,706,213.72
  5. Step 5: Solve for x
    x = 21,626,706,213.72/154,895.68
  6. Step 6: Final answer
    x = 139,621.11

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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.