Home / 154,732.34-213,531.18-97,409.59

Finding the Fourth Proportional to 154,732.34, 213,531.18 and 97,409.59

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Solution

The fourth proportional to 154,732.34, 213,531.18 and 97,409.59 is: 134,425.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,732.34 : 213,531.18 = 97,409.59 : x
  2. Step 2: Convert to fraction form
    154,732.34/213,531.18 = 97,409.59/x
  3. Step 3: Cross multiply
    154,732.34x = 213,531.18 × 97,409.59
  4. Step 4: Simplify right side
    154,732.34x = 20,799,983,796.90
  5. Step 5: Solve for x
    x = 20,799,983,796.90/154,732.34
  6. Step 6: Final answer
    x = 134,425.57

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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.