Home / 209,815.38-314,498.98-119,664.00

Finding the Fourth Proportional to 209,815.38, 314,498.98 and 119,664.00

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Solution

The fourth proportional to 209,815.38, 314,498.98 and 119,664.00 is: 179,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.38 : 314,498.98 = 119,664.00 : x
  2. Step 2: Convert to fraction form
    209,815.38/314,498.98 = 119,664.00/x
  3. Step 3: Cross multiply
    209,815.38x = 314,498.98 × 119,664.00
  4. Step 4: Simplify right side
    209,815.38x = 37,634,207,260.11
  5. Step 5: Solve for x
    x = 37,634,207,260.11/209,815.38
  6. Step 6: Final answer
    x = 179,368.20

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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.