Home / 119,007.84-164,207.88-76,560.60

Finding the Fourth Proportional to 119,007.84, 164,207.88 and 76,560.60

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Solution

The fourth proportional to 119,007.84, 164,207.88 and 76,560.60 is: 105,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,007.84 : 164,207.88 = 76,560.60 : x
  2. Step 2: Convert to fraction form
    119,007.84/164,207.88 = 76,560.60/x
  3. Step 3: Cross multiply
    119,007.84x = 164,207.88 × 76,560.60
  4. Step 4: Simplify right side
    119,007.84x = 12,571,853,817.53
  5. Step 5: Solve for x
    x = 12,571,853,817.53/119,007.84
  6. Step 6: Final answer
    x = 105,638.87

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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.