Home / 209,359.30-313,855.16-83,088.68

Finding the Fourth Proportional to 209,359.30, 313,855.16 and 83,088.68

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Solution

The fourth proportional to 209,359.30, 313,855.16 and 83,088.68 is: 124,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,359.30 : 313,855.16 = 83,088.68 : x
  2. Step 2: Convert to fraction form
    209,359.30/313,855.16 = 83,088.68/x
  3. Step 3: Cross multiply
    209,359.30x = 313,855.16 × 83,088.68
  4. Step 4: Simplify right side
    209,359.30x = 26,077,810,955.59
  5. Step 5: Solve for x
    x = 26,077,810,955.59/209,359.30
  6. Step 6: Final answer
    x = 124,560.08

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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.