Home / 119,555.30-164,925.78-74,260.10

Finding the Fourth Proportional to 119,555.30, 164,925.78 and 74,260.10

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Solution

The fourth proportional to 119,555.30, 164,925.78 and 74,260.10 is: 102,441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.30 : 164,925.78 = 74,260.10 : x
  2. Step 2: Convert to fraction form
    119,555.30/164,925.78 = 74,260.10/x
  3. Step 3: Cross multiply
    119,555.30x = 164,925.78 × 74,260.10
  4. Step 4: Simplify right side
    119,555.30x = 12,247,404,915.38
  5. Step 5: Solve for x
    x = 12,247,404,915.38/119,555.30
  6. Step 6: Final answer
    x = 102,441.34

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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.