Home / 154,766.97-213,487.67-97,315.22

Finding the Fourth Proportional to 154,766.97, 213,487.67 and 97,315.22

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Solution

The fourth proportional to 154,766.97, 213,487.67 and 97,315.22 is: 134,237.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,766.97 : 213,487.67 = 97,315.22 : x
  2. Step 2: Convert to fraction form
    154,766.97/213,487.67 = 97,315.22/x
  3. Step 3: Cross multiply
    154,766.97x = 213,487.67 × 97,315.22
  4. Step 4: Simplify right side
    154,766.97x = 20,775,598,019.32
  5. Step 5: Solve for x
    x = 20,775,598,019.32/154,766.97
  6. Step 6: Final answer
    x = 134,237.94

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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.