Home / 154,281.45-231,376.82-65,534.25

Finding the Fourth Proportional to 154,281.45, 231,376.82 and 65,534.25

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Solution

The fourth proportional to 154,281.45, 231,376.82 and 65,534.25 is: 98,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,281.45 : 231,376.82 = 65,534.25 : x
  2. Step 2: Convert to fraction form
    154,281.45/231,376.82 = 65,534.25/x
  3. Step 3: Cross multiply
    154,281.45x = 231,376.82 × 65,534.25
  4. Step 4: Simplify right side
    154,281.45x = 15,163,106,038.41
  5. Step 5: Solve for x
    x = 15,163,106,038.41/154,281.45
  6. Step 6: Final answer
    x = 98,282.11

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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.